@book{48994,
	author = {Haught, John F.},
	title = {Is nature enough?},
	publisher = {Cambridge University Press,},
	year = {2006.},
	address = {Cambridge ;},
	url = {http://search.ebscohost.com/login.aspx?direct=true&scope=site&db=nlebk&db=nlabk&AN=159786}
}