TY  - BOOK
AU  - Metcalf,Robert L., x
AU  - x
TI  - Introduction to insect pest management : x
SN  - x   
U1  - 595.7/MEI  
PY  - 1975///
CY  - N. Y. 
PB  - John wiley 
KW  - Insects
KW  - Agricultural pests
ER  -