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ZIMOV SA, CHUPRYNIN VI, ORESHKO AP, CHAPIN FS, CHAPIN MC, REYNOLDS JF. EFFECTS OF MAMMALS ON ECOSYSTEM CHANGE AT THE PLEISTOCENE-HOLOCENE BOUNDARY. In: ARCTIC AND ALPINE BIODIVERSITY: PATTERNS, CAUSES AND ECOSYSTEM CONSEQUENCES. 1995. p. 127–35.

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ZIMOV SA, CHUPRYNIN VI, ORESHKO AP, CHAPIN FS, CHAPIN MC, REYNOLDS JF. EFFECTS OF MAMMALS ON ECOSYSTEM CHANGE AT THE PLEISTOCENE-HOLOCENE BOUNDARY. ARCTIC AND ALPINE BIODIVERSITY: PATTERNS, CAUSES AND ECOSYSTEM CONSEQUENCES. 1995. p. 127–135.