TY  - BOOK
AU  - Hill, D.S..
TI  - Pests and Diseases of Tropical Crops: Principles and Methods of Control / 
SN  - 0-582-60614-4
U1  - J:4:5192 
CY  - Essex : 
PB  - Longman Group Ltd..
KW  - Diseases of Crops
ER  -