DDT and PCB levels and reproduction in ringed seal from the Bothnian Bay
Helle, E.; Olsson, M.; Jensen, A. (1976). DDT and PCB levels and reproduction in ringed seal from the Bothnian Bay. Ambio 5(4): 188-189
In: Ambio. Royal Swedish Academy of Sciences: Oslo; Boston. ISSN 0044-7447; e-ISSN 1654-7209, more
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