BooksSitemapLawMaritime
Chartering practice by J. Bes - 1961 - 351 pages
Chartering practice by J. Bes - 1961 - 351 pages
Charterparties by Anne Waring - 1983 - 417 pages
China and the law of the sea conference by Hungdah Chiu, University of Maryland at Baltimore. School of Law, Maryland International Law Society - 1981 - 35 pages
China and the Law of the Sea Conference by Hungdah Chiu, University of Maryland at Baltimore. School of Law, Maryland International Law Society - 1981 - 35 pages
China and the Law of the Sea, Air, and Environment by Jeanette Greenfield - 1979 - 362 pages
China's marine legal system and the law of the sea by Keyuan Zou - 2005 - 377 pages
China's maritime courts and justice by Jinxian Zhang, International Maritime Bureau of the ICC. - 1997 - 99 pages
Chinese maritime law and arbitration by Ben Beaumont, Philip Yang - 1994 - 168 pages
Chips scattered by the hammers of the New York progressive press - 1894 - 28 pages
Chorley and Giles' shipping law by Otto Charles Giles, N. J. J. Gaskell, Charles Debattista, Richard J. Swatton - 1987 - 704 pages
Chorley and Giles' Shipping law by Baron Robert Samuel Theodore Chorley Chorley, Otto Charles Giles, Great Britain - 1980 - 457 pages
Civil admiralty jurisdiction by Australia. Law Reform Commission - 1986 - 393 pages
Civil salvage by Sir William Rann Kennedy - 1958 - 442 pages
Clean transport documents - 1989 - 20 pages
Closed conferences and shippers' councils in the U.S. liner trades by United States. Congress. House. Committee on Merchant Marine and Fisheries. Subcommittee on Merchant Marine - 1978 - 323 pages
Coal by Philip Rogers, John Strange, Brian Studd - 1997 - 286 pages
Coal by Philip Rogers, John Strange, Brian Studd - 1997 - 286 pages
Coast Guard and Maritime Transportation Act of 2003 by United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Coast Guard and Maritime Transportation - 2003 - 33 pages
Coast Guard and Maritime Transportation Act of 2003 by United States. Congress. House. Committee on Transportation and Infrastructure - 2003 - 90 pages
Coast Guard and Maritime Transportation Act of 2005 by United States. Congress. House. Committee on Transportation and Infrastructure - 2005
Coast Guard and Maritime Transportation Act of 2005 by United States. Congress. House. Committee on Transportation and Infrastructure - 2005
Coast Guard and Maritime Transportation Act of 2006 by United States. Congress - 2006 - 90 pages
Coast Guard authority by United States. Congress. Senate. Committee on Commerce, Science, and Transportation - 1981 - 104 pages
Coast Guard authority by United States. Congress. Senate. Committee on Commerce, Science, and Transportation - 1981 - 104 pages
Coast Guard Authorization Act of 1997 by United States. Congress. House. Committee on Transportation and Infrastructure - 1997 - 42 pages
Coast Guard Authorization Act of 1999 by United States. Congress. House. Committee on Transportation and Infrastructure - 1999 - 20 pages
Coast Guard Authorization Act of 2001 by United States. Congress. House. Committee on Transportation and Infrastructure - 2001 - 10 pages
Coast Guard Authorization Act of 2006 by United States. Congress. House. Committee on Transportation and Infrastructure - 2006 - 52 pages
Coast guard law enforcement by Ridsdale Ellis - 1943 - 203 pages
Coast guard law enforcement by Ridsdale Ellis - 1943 - 203 pages
Coast guard law enforcement by Ridsdale Ellis - 1943 - 203 pages
Coast Guard miscellaneous - 1976 - 350 pages
Coastal and maritime zone planning and management by Martin Tsamenyi, Walter Samuel Grono Bateman, Jon Delaney, University of Wollongong. Centre for Maritime Policy - 1995 - 135 pages
Coastal and ocean law by Joseph J. Kalo, Alison Rieser - 2007 - 867 pages
Coastal and ocean law by Joseph J. Kalo - 1999 - 748 pages
Coastal and ocean law by Joseph J. Kalo - 1990 - 614 pages
Coastal and ocean law by Joseph J. Kalo - 1990 - 614 pages
Coastal and ocean management law in a nutshell by Donna R. Christie, Richard G. Hildreth - 2007 - 446 pages
Coastal and ocean management law in a nutshell by Donna R. Christie - 1994 - 377 pages
Coastal community development, an international perspective by Arthur J. Hanson, Dalhousie Ocean Studies Programme, Canadian Commission for Unesco. Meeting - 1984 - 27 pages
Coastal state requirements for foreign fishing by Danièle Mangatalle, Food and Agriculture Organization of the United Nations. Legal Office - 1996 - 273 pages
Coastwise and fisheries trade by United States. Congress. House. Committee on Merchant Marine and Fisheries. Subcommittee on Merchant Marine - 1988 - 351 pages
Code de commerce turc by Turkey, Centre national de la recherche scientifique (France) - 1984 - 175 pages
Code de la marine marchande de l'U.R.S.S. by Soviet Union, Russia (1923- U.S.S.R.) - 1974 - 139 pages
Code de navigation argentin by Argentina, René Rodière - 1979 - 232 pages
Code de navigation maritime bulgare by Bulgària - 1973 - 179 pages
Code maritime polonais by Poland - 1970 - 224 pages
Code of Federal Regulations Title 33, Navigation and Navigable Waters by Office of the Federal Register - 2009 - 777 pages
Code of Federal Regulations Title 33, Navigation and Navigable Waters: Parts 200-End, Revised July 1, 2009 by Office of the Federal Register - 2009 - 782 pages
Code of Federal Regulations, Title 46, Shipping, Pt. 1-40, Revised as of October 1 2009 by Office of the Federal Register - 2010 - 580 pages
Code of Federal Regulations, Title 46, Shipping, Pt. 140-155, Revised as of October 1 2009 by Office of the Federal Register - 2010 - 310 pages
Code of Federal Regulations, Title 46, Shipping, Pt. 156-165, Revised as of October 1 2009 by Office of the Federal Register - 2010 - 420 pages
Code of Federal Regulations, Title 46, Shipping, Pt. 200-499, Revised as of October 1 2009 by Office of the Federal Register - 2010 - 524 pages
Code of Federal Regulations, Title 46, Shipping, Pt. 200-499, Revised as of October 1 2010 by Office of the Federal Register (U S ) - 2011 - 527 pages
Code of Federal Regulations, Title 46, Shipping, Pt. 200-499, Revised as of October 1 2010 by Office of the Federal Register (U S ) - 2011 - 527 pages
Code of Federal Regulations, Title 46, Shipping, Pt. 70-89, Revised as of October 1 2009 by Office of the Federal Register - 2010 - 180 pages
Code of Federal Regulations, Title 46, Shipping, Pt. 70-89, Revised As of October 1, ,2012 - 2012 - 160 pages
Code of maritime procedure, Republic of Panama by Panama - 1983 - 273 pages
Code of safe practice for solid bulk cargoes (BC Code) by International Maritime Organization - 1991 - 161 pages
Code of Safety for Special Purpose Ships - 1984 - 20 pages
Code of safety for special purpose ships by International Maritime Organization - 1984 - 20 pages
Code on alarms and indicators by International Maritime Organization - 1992 - 37 pages
Codice della nautica da diporto - 1995 - 676 pages
Codice della nautica da diporto - 1988 - 797 pages
Codice della navigazione by Marco Stucchi, Massimo Drago - 2011 - 1000 pages
Codice della navigazione by Italy, Leopoldo Tullio - 1989 - 631 pages
Codice della navigazione da diporto by AA.VV - 2011 - 1056 pages
Codice della navigazione e relativi regolamenti by Giorgio Righetti, Enrico Righetti, Raffaella Parodi - 1994 - 3952 pages
Codice della navigazione e relativi regolamenti by Italy, Giorgio Righetti - 1986 - 3550 pages
Codice della navigazione e relativi regolamenti by Italy, Giorgio Righetti - 1986 - 3550 pages
Codice della navigazione e relativi regolamenti by Italy, Giorgio Righetti, Enrico Righetti - 1986 - 3550 pages
Codice della navigazione e relativi regolamenti by Italy, Giorgio Righetti - 1976 - 1696 pages
Codice della navigazione. Con le principali leggi complementari e convenzioni internazionali by Leopoldo Tullio - 2012 - 988 pages
Codice della navigazione. Con le principali leggi complementari e convenzioni internazionali by Leopoldo Tullio - 2009 - 788 pages
Codice delle leggi sulla navigazione marittima interna e aerea by Italy, Dante Gaeta, Gabriele Pescatore - 1987 - 861 pages
Codificación de leyes marítimas hondureñas y afines by Honduras, Leonel Alejandro Gutiérrez Minera - 1980 - 162 pages
Codification of Title 46, United States Code, "Shipping", as positive law by United States. Congress. House. Committee on the Judiciary - 2004 - 189 pages
Codification of Title Forty-Six, United States Code, "Shipping", as positive law by United States. Congress. House. Committee on the Judiciary - 2005 - 183 pages
Cole's Shipmaster's handbook to the merchant shipping acts by Sanford Darley Cole, William Victor John Clarke - 1953 - 300 pages
Cole's Shipmaster's handbook to the merchant shipping acts by Sanford Darley Cole, William Victor John Clarke - 1949 - 268 pages
Collected maritime laws by Tokio Kaijo Kasai Hoken Kabushiki Kaisha. Kaisonbu - 1973 - 496 pages
Collected papers from current issues in the law of the sea by Christopher C. Joyner, American Society of International Law - 1979 - 162 pages
Collisions at Sea - How? by M. D. Dewar - 1990 - 917 pages
Colloque Droit nucléaire et droit océanique by Université de Paris I: Panthéon-Sorbonne. Centre d'études et de recherches de droit international, Université de droit, d'économie et de sciences sociales de Paris. Centre d'études du droit de l'énergie atomique - 1977 - 252 pages
Colloque sur la Belgique et la nouvelle Convention des Nations Unies sur le droit de la mer by Université libre de Bruxelles. Centre de droit international - 1995 - 174 pages
Comentarios a la ley de costas by Carlos Sánchez de Lamadrid y Aguilar - 1989 - 318 pages
Commentaries on tanker voyage charter parties by Harvey Williams, Stanley Bonnick - 1989 - 133 pages
Commentary on the Merchant shipping act, 1958 by Ambalal Bhikhabhai Gandhi, India - 1977
Commentary on the Merchant shipping act, 1958 by Ambalal Bhikhabhai Gandhi, India - 1975
Commento alle convenzioni internazionali marittime by Plinio Manca - 1974 - 1609 pages
Commerce & property in naval warfare by Robert Threshie Reid Loreburn (Earl) - 1906 - 48 pages
Commercial build-and-charter legislation by United States. Congress. House. Committee on Merchant Marine and Fisheries. Subcommittee on Merchant Marine - 1986 - 252 pages
Commercial build-and-charter legislation by United States. Congress. House. Committee on Merchant Marine and Fisheries. Subcommittee on Merchant Marine - 1986 - 252 pages
Common carriage of cargo by Henry N. Longley, United States - 1967 - 366 pages
Comparative Ocean Governance by Robin Kundis Craig - 2012 - 200 pages
Compendio de derecho de la navegación by Osvaldo Blas Simone - 1987 - 543 pages
Compendium of state ocean and marine related policies by Thomas S. Brennan, Ken H. Takayama, Hawaii. Legislature. Legislative Reference Bureau - 1987 - 211 pages
Competitive Shipping and Shipbuilding Act of 1983 by United States. Congress. House. Committee on Merchant Marine and Fisheries. Subcommittee on Merchant Marine - 1983 - 551 pages
Competitive Shipping and Shipbuilding Act of 1983 by United States. Congress. House. Committee on Merchant Marine and Fisheries. Subcommittee on Merchant Marine - 1983 - 551 pages
Compilation of laws related to mineral resources activities on the Outer Continental Shelf by United States, A. Dewey Acuff - 1981 - 647 pages
Compilation of laws related to mineral resources activities on the Outer Continental Shelf by United States, A. Dewey Acuff - 1981 - 647 pages
Compilation of Maritime Laws January 2008 by Maritime Administration (COR) - 2009 - 768 pages
Compilation of Maritime Laws, 2006 - 2006 - 679 pages
Compilation of Maritime Laws, as Amended Through the First Session of the 109th Congress by United States - 2006 - 679 pages
Compilation of selected Coast Guard and marine transportation laws by United States, United States. Congress. House. Committee on Merchant Marine and Fisheries - 1987 - 262 pages
Compilation of selected Coast Guard and marine transportation laws by United States, United States. Congress. House. Committee on Merchant Marine and Fisheries - 1985 - 273 pages
Compilation of selected Coast Guard and marine transportation laws as amended through June 30, 2000 by United States, United States. Congress. House. Committee on Transportation and Infrastructure - 2000 - 418 pages
Comprehensive index of valid technical guidelines and recommendations by International Maritime Organization, International Maritime Organization. Maritime Safety Committee - 1998 - 75 pages
Comprehensive index of valid technical guidelines and recommendations by International Maritime Organization, International Maritime Organization. Maritime Safety Committee - 1998 - 75 pages
Comprehensive index of valid technical guidelines and recommendations by International Maritime Organization, International Maritime Organization. Maritime Safety Committee - 1992 - 60 pages
Comprehensive manual on port reception facilities - 1995 - 341 pages
COMPREHENSIVE MANUAL ON PORT RECEPTION FACILITIES, 1999 Edition - 1999 - 323 pages
Compte rendu analytique provisoire de la première séance plenière - 1960
Conference on ocean resource use in the 1980s by Burton Hoffman, Norman Kahn, Tiny Kahn, Presearch Inc - 1981 - 278 pages
Conference report by Institut für Seeverkehrswirtschaft Bremen - 1984 - 264 pages
Conferencia de Hamburgo y Reglas de York-Amberes, 1974 by Asociación Argentina de Derecho Marítimo, International Law Association - 1976 - 130 pages
Conflict and cooperation in managing maritime space in semi-enclosed seas by Vivian Louis Forbes - 2001 - 384 pages
Conflict and Cooperation in Managing Maritime Space in Semi-Enclosed Seas by Vivian Louis Forbes - 2001 - 384 pages
Conflict and cooperation in managing maritime space in semi-enclosed seas by Vivian Louis Forbes - 2001 - 384 pages
Conflict at sea by Chisepo James Jorothan Mphaisha - 2001 - 114 pages
Conflict management on the oceans by International Peace Academy - 1977 - 56 pages
Conflictos territoriales en el espacio marítimo del Caribe - 1997 - 135 pages
Conférence diplomatique de droit maritime, onzième session, Bruxelles, 1961 by Belgium. Ministère des affaires étrangères - 1961 - 408 pages
Congress and the oceans by Warren Grant Magnuson, Library of Congress. Ocean Coastal Resources Project, United States. Congress. Senate. Committee on Commerce, Science, and Transportation, United States. Congress. Senate. National Ocean Policy Study, Ocean and Coastal Resources Project (Congressional Research Service, Library of Congress) - 1977 - 335 pages
Congress and the oceans by Ocean and Coastal Resources Project (Congressional Research Service, Library of Congress), United States. Congress. Senate. Committee on Commerce, Science, and Transportation, United States. Congress. Senate. National Ocean Policy Study - 1977 - 335 pages
Consequences of non-agreement at the Third U.N. Law of the Sea Conference by Gary Knight, American Society of International Law. Working Group on Technical Issues of the Law of the Sea - 1976 - 62 pages
Consideraciones sobre "bareboat charter" y "time charter by demise" como contratos marítimos de arrendamiento del buque mercante by Montserrat Gorina Ysern - 1986 - 173 pages
Contemporary Issues of the Law of the Sea by Aleksandr Antonovič Kovalev - 2004 - 327 pages
Contemporary research in marine affairs by Gerard J. Mangone, John L. Pedrick - 1974 - 52 pages
Continental Shelf Delimination and Related Maritime Issues in the Persian Gulf by Ahmad Razavi - 1997 - 330 pages
Contrato de utilización del buque by Rafael Matilla Alegre - 1988 - 166 pages
Control carriers by United States. Congress. House. Committee on Merchant Marine and Fisheries. Subcommittee on Merchant Marine - 1978 - 318 pages
Control of sea resources by semi-autonomous states by Thomas M. Franck, Carnegie Endowment for International Peace - 1978 - 37 pages
Control of sea resources by semi-autonomous states by Thomas M. Franck, Carnegie Endowment for International Peace - 1978 - 37 pages
Convenios internacionales marítimos - 1986 - 2392 pages
Convention on facilitation of international maritime traffic and resolutions adopted by the International Conference on Facilitation of Maritime Travel and Transport, 1965 by Intergovernmental Maritime Consultative Organization - 1978 - 35 pages
Convention on facilitation of international maritime traffic as amended by International Maritime Organization - 1989 - 71 pages
Convention on facilitation of international maritime traffic as amended and resolutions relating thereto by International Maritime Organization - 1986 - 40 pages
Convention on Facilitation of International Maritime Traffic, 1965 - 1976 - 95 pages
Convention on Facilitation of International Maritime Traffic, 1965 - 1976 - 95 pages
Convention on Law of Sea adopted after nine years of negotiations by United Nations. Dept. of Public Information. Press Section - 1982 - 49 pages
Convention on regulating fishing vessels on the high seas (Treaty doc. 130-24) by United States. Congress. Senate. Committee on Foreign Relations - 1994 - 34 pages
Convention on regulating fishing vessels on the high seas (Treaty doc. 130-24) by United States. Congress. Senate. Committee on Foreign Relations - 1994 - 34 pages
Convention on regulating fishing vessels on the high seas (Treaty doc. 130-24) by United States. Congress. Senate. Committee on Foreign Relations - 1994 - 34 pages
Convention on Regulating Fishing Vessels on the High Seas (Treaty Doc. 130-24) by United States. Congress. Senate. Committee on Foreign Relations - 1994 - 34 pages
Convention on the Conservation and Management of Pollock Resources in the Central Bering Sea (Treaty doc. 103-27) and two treaties with the United Kingdom establishing Caribbean maritime boundaries (Treaty doc. 103-23) by United States. Congress. Senate. Committee on Foreign Relations - 1994 - 23 pages
Convention on the Conservation and Management of Pollock Resources in the Central Bering Sea (Treaty doc. 103-27) and two treaties with the United Kingdom establishing Caribbean maritime boundaries (Treaty doc. 103-23) by United States. Congress. Senate. Committee on Foreign Relations - 1994 - 23 pages
Convention on the Conservation and Management of Pollock Resources in the Central Bering Sea (Treaty doc. 103-27) and two treaties with the United Kingdom establishing Caribbean maritime boundaries (Treaty doc. 103-23) by United States. Congress. Senate. Committee on Foreign Relations - 1994 - 23 pages
Convention on the Conservation and Management of Pollock Resources in the Central Bering Sea (Treaty doc. 103-27) and two treaties with the United Kingdom establishing Caribbean maritime boundaries (Treaty doc. 103-23) by United States. Congress. Senate. Committee on Foreign Relations - 1994 - 23 pages
Convention on the Inter-governmental Maritime Consultative Organization - 1979 - 24 pages
Convention on the International Maritime Organization - 1984 - 356 pages
Convention on the International Maritime Organization by International Maritime Organization - 1984 - 356 pages
Convention on the International Maritime Organization by Hayʼah al-Qawmīyah lil-Baḥth al-ʻIlmī (Libya) - 1984 - 356 pages
Convention on the International Maritime Organization by Hayʼah al-Qawmīyah lil-Baḥth al-ʻIlmī (Libya) - 1984 - 356 pages
Convention on the International Maritime Organization - 1982 - 28 pages
Conventions internationales de droit maritime by International Maritime Committee - 1987 - 168 pages
Conventions internationales de droit maritime by International Maritime Committee - 1987 - 168 pages
Conventions maritimes internationales - 1979 - 815 pages
Conversion of certain vessels to types suitable for use on the Great Lakes by United States. Congress. House. Committee on Merchant Marine and Fisheries - 1949 - 145 pages
Cost impact of U.S. government regulations on U.S. flag ocean carriers by Ernst & Whinney, United States. Maritime Administration. Office of Advanced Ship Operations - 1979 - 139 pages
Costa Rica y el derecho del mar by Carlos Murillo Zamora - 1990 - 346 pages
Costa Rica y el derecho del mar by Carlos Murillo Zamora - 1990 - 346 pages
Cours de droit maritime: Affrétements, prêt à la grosse by Pierre Philippe Cresp, Auguste Laurin - 1878
Cours de droit maritime: Mer, navires, hypothèque maritime, societés maritimes, gens de mer by Pierre Philippe Cresp, Auguste Laurin - 1878
Cries of the Sea by Peter B. Payoyo - 1997 - 547 pages
Crimes against Americans on cruise ships by United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Coast Guard and Maritime Transportation - 2007 - 301 pages
Crimes against Americans on cruise ships by United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Coast Guard and Maritime Transportation - 2007 - 301 pages
Criminal admiralty jurisdiction by V. Thompson, Australia. Law Reform Commission - 1988 - 169 pages
Cruise ship security practices and procedures by United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Coast Guard and Maritime Transportation - 2007 - 367 pages
Cruise ship security practices and procedures by United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Coast Guard and Maritime Transportation - 2007 - 367 pages
Créditos marítimos en la legislación andina y venezolana by Mayela Limongi Carvajal, Francisco Villarroel Rodríguez - 2005 - 128 pages
Cumulative supplement to second edition of The law of shipping and carriage in South Africa - 1977 - 35 pages
Current aspects of sea law by University of North Carolina Sea Grant Program, United States. National Oceanic and Atmospheric Administration. Office of Sea Grant - 1974 - 107 pages
Current bibliography on selected topics of the law of the sea - 1982 - 35 pages
Current bibliography on selected topics of the law of the sea - 1980 - 167 pages
Current developments in admiralty law by Illinois State Bar Association, American Trial Lawyers Association - 1966 - 118 pages
Current Fisheries Issues and the Food and Agriculture Organization of the United Nations by Myron H. Nordquist, John Norton Moore, University of Virginia. Center for Oceans Law and Policy - 2000 - 665 pages
Current Maritime Issues and the International Maritime Organization by Myron H. Nordquist, John Norton Moore - 1999 - 433 pages
Current problems in maritime law by McGill University. Faculty of Law - 1987 - 444 pages
Current status of the Convention on the Law of the Sea by United States. Congress. Senate. Committee on Foreign Relations - 1994 - 94 pages
Current status of the Convention on the Law of the Sea by United States. Congress. Senate. Committee on Foreign Relations - 1994 - 94 pages
Current Status of the Convention on the Law of the Sea by United States. Congress. Senate. Committee on Foreign Relations - 1994 - 94 pages
Curso de derecho de la navegación by Luis Beltrán Montiel - 1994 - 530 pages
Customs regulations of the United States by U.S. Customs Service, U.S. Customs Service. Office of Regulations & Rulings - 1978
Customs regulations of the United States by U.S. Customs Service, U.S. Customs Service. Office of Regulations & Rulings - 1978
Customs regulations of the United States by U.S. Customs Service, U.S. Customs Service. Office of Regulations & Rulings - 1951
Customs regulations of the United States by U.S. Customs Service, U.S. Customs Service. Office of Regulations & Rulings
Código de legislación marítima by Spain, Ignacio Arroyo - 1992 - 285 pages
Danger zone regulations governing the use and navigation of navigable water endangered by military training operations in effect 1 January 1950 by United States. Army. Corps of Engineers - 1950 - 88 pages
Dansk søret by Kristian Sindballe - 1936 - 515 pages
Das allgemeine Seerecht der civilisierten Nationen by Reinhold Nizze - 1857 - 500 pages
Das deutsche Seerecht by Georg Schaps, Hans Jürgen Abraham - 1967 - 200 pages
Das deutsche Seerecht by Georg Schaps - 1962 - 1389 pages
Das deutsche Seerecht by Hans Jürgen Abraham - 1959 - 1389 pages
Das deutsche Seerecht by Georg Schaps, Hans Jürgen Abraham - 1959 - 1397 pages
Das deutsche Seerecht by Georg Schaps, Hermann Staub, Germany - 1906 - 932 pages
Das deutsche Seerecht by William Lewis, Germany - 1883
Das deutsche Seerecht by William Lewis, Germany - 1877 - 758 pages
Das deutsche seerecht (mit ausschluss des seeversicherungsrechts) by Otto Moritz Wilhelm Brandis - 1908
1 2 3 4 5 6 7 8 9 10 11 12 13