TY  - GEN
AU  - Dijkman, M J
AU  - Ochse, J J
AU  - Soule,  james
AU  - Wehlburg,  C
TI  - Tropical and subtropical agriculture Vol II
U1  - 631.0913 OCH.02 
CY  - London, The Mac Millan Company
KW  - Agriculture - tropics / crops / agriculture subtropics
ER  -