Chrispeels,Maarten J 1938
Plants, food , and people /
Maarten J. Chrispeels,David Sadava. -
- San Francisco : W.H. Freeman, 1977
- [5],278 p. : ill., graphs,maps.
Bibliography: p.249-259
0716703785
Agriculture.
Food supply.
Food Crops.
Nutrition.
Population.
S494 / C54