@book{20392,
	author = {Kroes, Peter, and ebrary, Inc.},
	title = {Functions in biological and artificial worlds},
	publisher = {MIT Press,},
	year = {c2009.},
	series = {Vienna series in theoretical biology},
	address = {Cambridge, Mass. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10277587}
}