TY  - GEN
AU  - Norman M J T, Pearson C J
AU  - Searle, P G E
TI  - Ecology of tropical food crops
SN  - 0521240824
U1  - 633.  009  13 NOR 
CY  - London, Cambridge University Press
KW  - Tropical food crops-ecology/field crops/crop legumes
ER  -