TY  - BOOK
AU  - Irvine,F.R.
TI  - A tex-book west African agriculture: Soil and crops 
U1  - 630.966  19
PY  - 0000///19cm
CY  - London
PB  - Oxford university press
KW  -  Agriculture -- Africa, West.
KW  - Crops and soils -- Africa, West
ER  -