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Filtering by: Keyword Borers (Insects) -- Oregon Creator Michael, Robert R.

Sounds of Douglas fir beetle activity : recorded and interpreted, equipment techniques

Creator:

Allen, Donald G., Michael, Robert R., Stone, Solon A., and Oregon Forest Lands Research Center

Resource Type:

Technical Report

Full Text:

. Michael - r 4 Solon A. Stone Electrical Engineering Department-,, Oregon State College August 1958 ap N