"10.14430/arctic2558" . "Mass Natural Mortality of Walruses (Odobenus rosmarus) at St. Lawrence Island, Bering Sea, Autumn 1978"^^ . . "33" . "1980"^^ . "10.14430/arctic2558" . . . _:genid1 . _:genid1 . _:genid1 . _:genid1 . _:genid1 . _:genid1 . _:genid2 . _:genid2 . _:genid2 . _:genid2 . _:genid2 . . . . .