@book{99210,
	author = {Elton, Charles S.},
	title = {The ecology of animals.},
	publisher = {Methuen},
	year = {[1957]},
	series = {Methuen's monographs on biological subjects},
	address = {London},
	edition = {[3d ed.},
	note = {First reprinted with corrections 1953.}
}