1. An Examination of the Dilution of Waterborne Pollution from the German Bight to the Cattegat by Means of Radioactive Tracers;Aarkrog,1988
2. Bioindicator Studies in Nordic Waters;Aarkrog,1985
3. Environmental Radioactivity in the North Atlantic Region, Risø-R-528;Aarkrog,1985
4. Environmental radioactive contamination in Greenland: a 35 years retrospect;Aarkrog;Sci. Total Environ.,2000
5. Environmental Radioactivity in Denmark in 1988 and 1989;Aarkrog,1991