Krebs, J.R.
An introduction to behavioural ecology
Blackwell Science, 1993
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Behavioural ecology : an evolutionary approach
edited by J.R. Krebs and N.B. Davies
Blackwell, 1995
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Evolutionary ecology
edited by Bernard Stonehouse and Christopher M. Perrins
University Park Press, 1979
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Ridley, Mark
Animal behavior : an introduction to behavioral mechanisms, development and ecology
Blackwell, 1995
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Macfadyen, A.
Animal ecology: aims and methods
Pitman, 1963
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