By Kuczaj S   Tranel K   Trone M   Hill H   in Animal Welfare

ISSN:0962-7286|10|1|161-173

Universities Federation for Animal Welfare‎(2001)‎

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By Williams B.M.   McCoy J.G.   Kuczaj S.A.   in Learning and Motivation

ISSN:0023-9690|31|1|54-66

Academic Press‎(2000)‎

Access to resources Favorite 2.1275868