For citations:

Chakilev M.V., Kochnev A.A. Sex-age structure of pacific walrus Odobenus rosmarus divergens in the area of Cape Serdtse-Kamen’ (Chukchi Sea) in the summer-fall seasons of 2009-2014. Izvestiya TINRO. 2017;190(3):72-78. (In Russ.) https://doi.org/10.26428/1606-9919-2017-190-112-118