TY  - BOOK
AU  - Norman, M. J. T.
AU  - Pearson, C. J.
AU  - Searle, P. G. E.
TI  - The Ecology of Tropical Food Crops
SN  - 0521284287
U1  - 633.50993 
PY  - 1984///
CY  - London
PB  - Cambridge University Press
KW  - Agriculture and related technologies
KW  - Technology (Applied sciences)
KW  - Ecology
KW  - Food crops
ER  -