The Western spruce budworm model
Subtitle: structure and content
By: Katharine A. Sheehan ... [et al.].
Contributors: Sheehan, Katharine A.; Pacific Northwest Research Station (Portland, Or.)
Series: General technical report PNW -- 241.
Publisher: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
Published: 1989
Place of publication: [Portland Or.]
Language: eng
Number of pages: 70
Subjects: Western spruce budworm -- Diseases and pests
Notes: Cover title.

Distributed to depository libraries in microfiche.

"July 1989."

Includes bibliographical references (p. 58-68).