Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
McCambridge, W. F. 1978. Workshop: status of preventive sprays. Pages 32-39 in Twenty-ninth annual Western Forest Insect Work Conference, Proceedings, Durango, Colorado, 7-9 March 1978. Oregon Department of Forestry, Salem, Oregon. 127 p.