1. Variation of organochlorine residue levels with age in Gulf St. Lawrence Harp Seals;Addison;J. Fish. Res. Bd Can.,1973
2. Concentrations of heavy metals in some Antarctic and North American sea birds;Anderlini,1972
3. Residues of organochlorine and heavy metals in tissues and eggs of Brown Pelicans, 1969–1973;Blus;Pest. Mon. J.,1977
4. Aspects of the population demography of Antarctic and Subantarctic seabirds;Croxall;C.N.F.R.A.,1981
5. Pollutant levels in the Great Skua Catharcta skua;Furness,1979