Bears - Their Biology and Management : ninth International Conference on Bear Research and Management. a selection of papers from the Conference held at Missoula, Montana February 1992
Claar James J. (Vedecký redaktor)
Schullery Paul (Vedecký redaktor)
Knoxville : International Association for Bear Research and Management , 1994. - 586 s. : obr., tab., 26 cm
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