TY  - BOOK
AU  - Pfadt,Robert E.
AU  - Burkhardt,Christian C.
TI  - Fundamentals of applied entomology
AV  - SB931 .P45 1971
U1  - 595.7 19
PY  - 1971///]
CY  - New York
PB  - Macmillan
KW  - Beneficial insects
KW  - Insect pests
KW  - Control
ER  -