@book{137699,
	author = {Greif, Karen F. and Merz, Jon F. and ebrary, Inc.},
	title = {Current controversies in the biological sciences},
	publisher = {MIT,},
	year = {2007.},
	series = {Basic bioethics},
	address = {Cambridge, MA ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10173686}
}