TY  - BOOK
ED  - Department of Agriculture
TI  - Insects: The Yearbook of Agriculture
U1  - 630 
CY  - Washington, D.C.
PB  - United States Government Printing Office
KW  - Agricultural ests
KW  - Economic entomology
KW  - Beneficial insects
N1  - Includes bibliographical references and index
ER  -