Data PolicyPublications | Institutes | Persons | Datasets | Projects | Maps | Infrastructure [ report an error in this record ]basket (0): add | show DDT and PCB levels and reproduction in ringed seal from the Bothnian BayHelle, 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 Available in Authors VLIZ: Open access 263425 [ download pdf ] Keyword Marine/Coastal Authors Top Helle, E. Olsson, M. Jensen, A. All data in the Integrated Marine Information System (IMIS) is subject to the VLIZ privacy policy Top | Authors