1. Mercury in the Greenland ice sheet;Appelquist;Nature,1978
2. Organochlorines in codfish from harbours along the Norwegian coast;Brevik;Bull. Envir. Contam. Toxicol.,1979
3. Preliminary study of the possibility of a relationship between high acidity of lakes and high mercury content in their fish populations;Brosset,1977
4. Dry deposition on a snow surface;Dovland;Atmospheric Environment,1976
5. Pesticide residues in soil and water;Edwards,1973