By Frost R.A.   Scott C.B.   Walker J.W.   Hartmann F.S.   in Applied Animal Behaviour Science

ISSN:0168-1591|84|4|251-264

Elsevier‎(2003)‎

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By A.F.C. Major G.H. Scott   C.B.E.   in Aircraft Engineering

ISSN:0002-2667|2|9|235-241

Emerald Group Publishing Ltd‎(1993)‎

Access to resources Favorite 3.521317