TY  - BOOK
AU  - Martifgnoni,Mauyro E.
AU  - Iwal,Paul J.
TI  - Peroral bioassay of nucleopolyhedrosis viruses in larvare of the western spruce budworm
U1  - 634.9752678 
PY  - 1981///
CY  - Oregon
PB  - Forest Service
KW  - Spruce
KW  - Spacing
KW  - Forest insects
ER  -