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Parametri di ricerca comunicati:
Autore: Herrero, Stephen
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1
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International Conference on Bear research and management <2. ; 1970 ; Calgary> |
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*Bears : their biology and management ; a selection of papers and discussion from the Second International conference on bear research and management held at the University of Calgary, Alberta, Canada 6 to 9 November 1970 / edited by Stephen Herrero. - Morges : IUCN, 1972. - 371 p., [1] c. di tav ripieg. : ill. ; 25 cm.
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1972
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2
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International Conference on Bear research and management <2. ; 1970 ; Calgary> |
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*Bears : their biology and management : a selection of papers and discussion from the Second international conference on Bear research and management held at the University of Calgary, Alberta, Canada 6 to 9 November 1970 / edited by Stephen Herrero. - Morges : International union for conservation of nature and natural resources, 1972. - 371 p. : ill. ; 24 cm.
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1972
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3
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IUCN : SSC : Bear specialist group |
9782831704623 |
*Bears : status survey and conservation action plan / IUCN/SSC Bear specialist group, IUCN/SSC Polar bear specialist group ; compiled by Christopher Servheen, Stephen Herrero and Bernhard Peyton ; editorial assistance by Kristy Pelletier, Kana Moll, Joseph Moll. - Gland ; Cambridge, UK : IUCN, c1999. - X, 309 p. : ill. ; 28 cm.
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1999
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