An annotated bibliography of Seals, Sea Lions, and Walrus, supplement 2
Ronald, K.; Gots, B.L.; Lupson, J.D.; Willings, C.J.; Dougan, J.L. (1991). An annotated bibliography of Seals, Sea Lions, and Walrus, supplement 2. CIEM/ICES: Copenhagen. ISBN 87-7001-219-9. VI, 801 pp.
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