TY  - BOOK
AU  - Williams,C.N & Joseph,K.T
TI  - Climate,soil & crop production in the humid tropics
SN  - 019638138x
U1  - 630.1 WIL 22
PY  - 1970///
CY  - New York
PB  - Oxford university press
KW  - soil science
KW  - Agriculture
ER  -