TY  - BOOK
ED  - Food and Agriculture Organization
TI  - Crop loss assessment methods (with suppl.): FAO manual on the evaluation and prevention of losses by pests, disease and weeds
U1  - 632 
PY  - 1971///
CY  - New Delhi
PB  - Oxford and IBH Pub
KW  - Pests
KW  - Plant diseases
ER  -