@book{27600,
	author = {Kemp, T. S. and ebrary, Inc.},
	title = {The origin and evolution of mammals},
	publisher = {Oxford University Press,},
	year = {2005.},
	series = {Oxford biology},
	address = {Oxford ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10263701}
}