@book{249097,
	author = {S�anchez-Villagra, Marcelo R. and ebrary, Inc.},
	title = {Embryos in deep time},
	publisher = {University of California Press,},
	year = {c2012.},
	address = {Berkeley :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10547322}
}