@book{50694,
	author = {Klapwijk, Jacob. and Cook, Harry.},
	title = {Purpose in the living world?},
	publisher = {Cambridge University Press,},
	year = {2008.},
	address = {Cambridge, UK ;},
	url = {http://search.ebscohost.com/login.aspx?direct=true&scope=site&db=nlebk&db=nlabk&AN=400704}
}