TY  - BOOK
ED  - United Nations Educational, Scientific and Cultural Organization.
TI  - Problems of humid tropical regions
PY  - 1958///
CY  - Paris , 
PB  - 
KW  - Agriculture
KW  - Tropics
KW  - Ecology
KW  - Natural history
N1  -  In French and English;  Includes bibliographical references
ER  -