TY  - BOOK
AU  - David, B. Vasantharaj.
TI  - Elements of economic entomology
U1  - 595.7:591.6(540) L5 
PY  - 1975///
CY  - Madras
PB  - Popular Book
KW  -  B.Vasantharaj David and T.Kumaraswami.
KW  - Kumaraswami. T., joint author
KW  - Insects, Injurious and beneficial,Pest control,Entomology-India
ER  -