Cerezke, H. F. 1989. Mountain pine beetle aggregation semiochemical use in Alberta and Saskatchewan, 1983-1987. Pages 108-113 in G. D. Amman, Symposium proceedings: Management of lodgepole pine to minimize losses to the mountain pine beetle. United States Department of Agriculture, Forest Service, Intermountain Research Station, Ogden, Utah, General Technical Report INT-262. 119 p.