Browsing Skog og landskap* by Author "Bakke, Alfred"
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Mass trapping of the spruce bark beetle Ips typographus. Pheromone and trap technology
Bakke, Alfred; Sæther, Torfinn; Kvamme, Torstein (Meddelelser fra Norsk institutt for skogforskning;38.3, Research report, 1983-02)