- Wood, D. L., F. W. Cobb, D. J. Cohen, L. E. Browne, H. A. Moeck, and R. W. Stark. 1974. Host selection by bark beetles (Coleopera: Scolytidae) in the mixed conifer forests of California. Symposium: The host plant in relation to insect behavior and reproduction, 11-14 June 1974, Tihany, Hungary.
- Cohen, T., and J. Matz. 1987. Method of synthesizing brevicomin and using same in beetle control. U.S. Patent-4695584. 22 September 1987. Official Gazetteer, U.S. Patent Trademark Office 1084(4): 2045.