Spruce budworm core B.t. test, 1980
Subtitle: combined summary
By: Gerald S. Walton, Franklin B. Lewis ; prepared by Forest Service, U.S. Department of Agriculture, Northeastern Forest Experiment Station.
Contributors: Lewis, Franklin B.; Northeastern Forest Experiment Station (Radnor, Pa.); Canada/United States Spruce Budworms Program.
Series: Research paper NE -- 506.
Publisher: The Station
Published: 1982
Place of publication: Broomall, PA
Language: eng
Number of pages: 12
Subjects: Spruce budworm -- United States.; Pests -- Biological control -- United States.
Notes: "Canusa, Canada, United States Spruce Budworms Program."

Bibliography: p. 8.