Krebs, J.R. . Introduction to behavioural ecology / by J.R. Krebs and N.B. Davies. - 3rd ed / - Malden : Blackwell Publishing , 1993 - xii, 420p ; ISBN: 0-632-03546-3 Subjects--Topical Terms: Behaviour evolution Dewey Class. No.: G:5(SN1) / N3