Bears - Their Biology and Management : eighth International Conference on Bear Research and Management. a selection of papers from the Conference held at Victoria, British Columbia, Canada February 1989
Darling Laura M. (Vedecký redaktor)
Archibald W. Ralph (Vedecký redaktor)
Knoxville : International Association for Bear Research and Management , 1990. - 448 s. : obr., tab., 26 cm
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