TY  - GEN
AU  - Fernald, H.T.
AU  - Shepard, Harold H
TI  - Applied entomology : an introductory text book of insects in their relations to man
U1  - 632.7 FER 
CY  - New York, Mc Graw- Hill Book Company Inc
KW  - Entomology/ insects - natural control/ insecticides
ER  -