GREENWOOD, Matthew E. - BORDEN, John H. Co-baiting for spruce beetles, Dendroctonus rufipennis, and western balsam bark beetles, Dryocoetes confusus (Coleoptera: Scolytidae). In Canadian journal of forest research. - National Research Council of Canada : Ottawa. ISSN 0045-5067, 2000, vol. 30, no. 1, s. 50-58.