TY  - GEN
AU  - Gagner, F C H
AU  - Stapley, J H
TI  - World crop protection, vol 1: pests and diseases
U1  - 632.93 WOR.01;01 
CY  - London, Ilifle Books Ltd
KW  - Crop protection/ pest control / plant diseases / field crops / plantation crops/ wed control
ER  -