Sounds of Douglas fir beetle activity
Subtitle: recorded and interpreted, equipment techniques
By: Donald G. Allen, Robert R. Michael, Solon A. Stone.
Contributors: Michael, Robert R.; Stone, Solon A.; Oregon Forest Lands Research Center.
Series: Research note -- no. 36.; Research note (Oregon Forest Lands Research Center) -- no. 36.
Publisher: Oregon Forest Lands Research Center
Published: 1958
Place of publication: Corvallis, Ore
Language: eng
Number of pages: 19
Subjects: Douglas fir beetle -- Monitoring -- Oregon.; Douglas fir -- Diseases and pests -- Oregon.; Sound production by insects.; Insect sounds -- Oregon.; Bioacoustics.
Notes: Cover title.

"August 1958."