TY  - BOOK
AU  - Wallis,J.A.N.
TI  - Intensified Systems of Farming in The Tropics and Subtropics/(Acc: 3284)
SN  - 0821339443
U1  - 630.913 WAL 
PY  - 1997///
CY  - Washington, D.C.
PB  - World Bank
KW  - Agricultural systems
KW  - Dry farming
ER  -