@book{481,
	author = {Darwin, Charles, and Secord, James A. and ebrary, Inc.},
	title = {Evolutionary writings},
	publisher = {Oxford University Press,},
	year = {2008.},
	series = {Oxford world's classics hardbacks},
	address = {Oxford ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10288491}
}