1. Environmental radioactivity in Denmark 1981;Aarkrog,1982
2. Environmental radioactivity in Denmark 1982;Aarkrog,1983
3. British Nuclear Fuels Limited;BNFL,1979
4. A model to calculate exposure from radioactive discharges into the coastal waters of northern Europe;Clark,1980
5. Transferfaktorer i akvatisk radioøkologi;Dahlgaard,1962