Blar i Brage NP på forfatter "Hjelset, A.M."
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Growth, age at sexual maturity and condition in bearded seals (Erignathus barbatus) from Svalbard, Norway
Andersen, Magnus; Hjelset, A.M.; Gjertz, Ian; Lydersen, Christian; Gulliksen, Bjørn (Journal article, 1999)