Fundamentals of applied entomology /
Fundamentals of applied entomology /
edited by Robert E. Pfadt
- 2nd ed.
- New York : MacMillan, 1971
- 693 p. : ill. ; 24 cm.
Beneficial insects
Insect pests--Control
QX500 / .P523f 1971 9
Beneficial insects
Insect pests--Control
QX500 / .P523f 1971 9
