TY  - BOOK
AU  - Huibers,F.P.
TI  - Rainfed agriculture in a semi-arid tropical climate
U1  - 631 
PY  - 0000///19
CY  - 
PB  - 
KW  - Agriculture
KW  - Crop Production
KW  - Semi-Arid Tropical Climate
ER  -