1. Influence of temperature upon the development and voltinism of Ips typographus L. (Coleoptera: Scolytidae);Annila;An. zool. Fenn.,1969
2. Response in Ips typographus to logging waste odours and synthetic pheromones;Austarå;J. Appl. Ent.,1986
3. Deploying pheromone-baited traps for monitoring Ips typographus populations;Bakke;Z. ang. Ent.,1985
4. Seasonal flight activity and attack pattern of Ips typographus in Norway under epidemic conditions;Bakke;Meddr. Norsk inst. Skogforsk.,1977
5. Mass trapping of the spruce bark beetle Ips typographus. Pheromone and trap technology;Bakke;Meddr. Norsk inst. Skogforsk.,1983