| Robert L. Harris - 2000 - 448 páginas
This beautifully illustrated book is the first complete handbook to visual information. Well written, easy use, and carefully indexed, it describes the full range of charts ... | |
| Robert L. Harris, Darlene Clark Hine, Nellie Y. McKay - 1990 - 40 páginas
Three essays are presented that discuss, in general terms, information that was collected in 1987-88 concerning the current status of black studies in the United States. The ... | |
| Robert L. Harris - 2000 - 796 páginas
The standard reference in occupational health and safety for over 50 years, the new Patty's presents for the first time a separation of industrial hygiene and toxicology topics ... | |
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