@book{37021,
	author = {Postma, Dirk Willem. and SpringerLink (Online service)},
	title = {Why Care for Nature?},
	publisher = {Springer Netherlands,},
	year = {2006.},
	series = {The International Library of Environmental, Agricultural and Food Ethics,},
	address = {Dordrecht :},
	url = {http://dx.doi.org/10.1007/1-4020-5003-8}
}