@book{226204,
	author = {Williams, George Christopher. and ebrary, Inc.},
	title = {Adaptation and natural selection},
	publisher = {Princeton University Press,},
	year = {1996.},
	series = {Princeton science library},
	address = {Princeton, N.J. :},
	note = {First Princeton paperback printing 1974 ; Eighth paperback printing, and first printing for the Princeton Science Library, with a new preface 1996.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10456325}
}