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1. Bears - their biology and management
Bears - their biology and management : fourth International Conference on Bear Research and Management. Kalispell, Montana, USA February 1977. a selection of papers
Martinka Clifford J. (Vedecký redaktor)
McArthur Katherine L. (Vedecký redaktor)
Knoxville : International Association for Bear Research and Management , 1980. - 375 s. : obr., tab., 26 cm
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