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ISSN:1466-1799|46|5|536-544

Taylor & Francis Ltd‎(2005)‎

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By Wolf P   Bartels T   Sallmann H-P   Heisler K   Kamphues J   in Animal Welfare

ISSN:0962-7286|9|2|153-165

Universities Federation for Animal Welfare‎(2000)‎

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