1. Bycatches of the harbour porpoise, Phocoena phocoena, in Danish fisheries 1980–1981, and evidence for overexploitation;Andersen;IWC Document SC/35/SM14,1983
2. Waarnemingen van zeezoogdieren in de Nederlandse sector van de Noordzee;Baptist;Lutra,1987
3. Pathology of Baltic grey seal and ringed seal females with special reference to adrenocortical hyperplasia: Is environmental pollution the cause of a widely distributed disease syndrome?;Bergman;Fin. Game Res.,1986
4. Analysis of marine mammals - fisheries interactions;Beverton,1985
5. An isopod as intermediate host of cod worm;Bjørge;Fisk. Dir. Skr. Ser. Havunders.,1979