Chlorinated hydrocarbons and total mercury in the prey of the white-tailed eagle (Haliaeetus albicilla L.) in the quarken straits of the gulf of bothnia, Finland - Koivusaari, Juhani; Nuuja, Ismo; Palokangas, Risto; Hattula, Marja-Liisa (Bulletin of Environmental Contamination and Toxicology, 1976)