TY  - BOOK
AU  - Webster, C             C
TI  - Agriculture in the tropics
U1  - 630.913 W4 
PY  - 1980///
CY  - London
PB  - Longman
KW  - Agricultura
KW  - Trópicos
KW  - agricultura I. Wilson, Peter Nortgcote
ER  -