TY  - GEN
AU  - 
AU  - HILL,D.S. & Others
TI  - PESTS AND DISSEASES OF TROPICAL CROPS:VOLUME 1 PRINCIPLES AND METHODS OF CONTROL
U1  - 632./HIL 
PY  - 1982///
CY  - SINGAPORE
PB  - Longman London and New York
ER  -