TY  - BOOK
AU  - Weischet Wolfgang
AU  - Cesar N. Caviedes
TI  - The Persisting ecological constraints of tropical agriculture 
SN  - 9780582056923
PY  - 1993///
CY  - New York
PB  - Longman Scientific Technical
KW  - écologie agricole.milieu tropical
N1  - Bibliogr.Index
ER  -