@book {22004,
	title = {An introduction to behavioural ecology},
	year = {1981},
	note = {<p>80025843(John R.)by J.R. Krebs and N.B. Davies ; drawings by Jan Parr.ill. ; 24 cm.Bibliography: p. 265-278.Includes indexes.</p>},
	pages = {x, 292 p.},
	publisher = {Sinauer Associates Inc.},
	organization = {Sinauer Associates Inc.},
	address = {Sunderland, Mass.},
	keywords = {Animal behavior., Animal ecology., Behavior evolution., Human behavior., Human ecology.},
	isbn = {08789343160878934324 (pb},
	author = {Krebs, J. R. and Davies, N. B.}
}
