Fox, J., M. Schultz, K. Hoover, D. Wood, and T. Gordon. 1992a. Studies of insect/pitch canker relationships in California. Page 157 In Douglas C. Allen and L.P. Abrahamson (eds.), Proceedings: North American Forest Insect Work Conference, Denver, Colorado, March 25-28, 1991. United States Department of Agriculture, Forest Service, Pacific Northwest Research Station (Portland, OR), General Technical Report PNW-GTR-294.