TY  - BOOK
AU  - Brown,R.C.
TI  - The spruce budworm
T2  - Leaflet. U.S. Dept. Agric
PY  - 1944///
CY  - Washington-USA
PB  - 
KW  - Entomologia
KW  - Insecta
KW  - Plagas
KW  - Agricultura
ER  -