TY  - BOOK
AU  - Manshard,Walther, x
AU  - x
TI  - Tropical agriculture ; : a geographical introduction and appraisal
SN  - x     
U1  - 630.913/MAT 
PY  - 1970///
CY  - London 
PB  - Longman 
KW  - Agriculture-tropics
ER  -