TY  - BOOK
AU  - Metcalf,C.L.
AU  - Flint,W.P.
TI  - Destructive and useful insects:: their habits and control 
T2  - McGraw-Hill publications in the agricultural sciences
AV  - SB931 .M45 1962
U1  - 632.7 
PY  - 1962///
CY  - New York
PB  - McGraw-Hill
KW  - Beneficial insects
KW  - Insect pests
ER  -