TY  - BOOK
AU  - Brooks,Fred E.
TI  - Orchard Barkbeetles and Pinhole borers and how to control them
T2  - Bulletin. U.S. Depart. of Agric
PY  - 1921///
CY  - Washington-USA
PB  - 
KW  - Plagas
KW  - Barkbeetles
KW  - Entomologia aplicada
KW  - Agricultura
ER  -