TY  - BOOK
AU  - Craighead, F. C.
ED  - E.U.A. Department of Agriculture.
TI  - Insect ennemies of eastern forests
T2  - U.S.D.A. Miscellaneous publication
U1  - 634.967 
PY  - 1950///
CY  - Washington
PB  - Government Printing Office
KW  - Árboles
KW  - Plagas
KW  - Entomología económica
ER  -