1. Inhibition of the response in Ips typographus to the aggregation pheromone; field evaluation of verbenone and ipsenol;Bakke;Z. ang. Ent.,1981
2. Feromoner og feller som ledd i integrert bekjempelse av granbarkbillen. Noen resultater fra barkbilleaksjonen i Norge 1979 og 1980. (Pheromones and traps as part of an integrated control of the spruce bark beetle. Some results from a control program in Norway in 1979 and 1980.);Bakke;Rapp. Nor. inst. skogforsk.,1981
3. Granbarkbillens erobringsevne, sett i forhold til vertstreets vitalitet og vekst. (Infestation ability of epidemic Ips typographus in relation to vitality and increment of Norway spruce.);Christiansen;Rapp. Nor. inst. skogforsk.,1981
4. Infestation ability of Ips typographus in Norway spruce trees, in relation to butt rot, tree vitality and increment;Christiansen;Medd. Nor. inst. skogforsk.,1980
5. Čiselné vyjádřeni hustoty náletu Kurovce Ips typographus L. na Kurenech při přemnoýení. (Zahlenangaben über die Anflugdichte des Fichtenborkenkäfers Ips typographus L. bei Übervermehrung.);Martinek;Sobornik CSAZV-Lesnietví,1956