TY  - BOOK
ED  - United States.
TI  - Insects
T2  - Its Yearbook of agriculture,
AV  - S21 .A35 1952
PY  - 1952///]
CY  - Washington
PB  - U.S. Govt. Print. Off.
KW  - Insects
KW  - United States
KW  - Insect pests
KW  - Insecticides
KW  - Entomology, Economic
KW  - Entomology
N1  - Issued also as Home document no. 413, 82d Cong., 2d sess; Includes bibliographies
ER  -