@book{48125,
	author = {Prakash, Aseem and Potoski, Matthew,},
	title = {The voluntary environmentalists :},
	publisher = {Cambridge University Press,},
	year = {2006},
	address = {Cambridge, UK ; New York :},
	url = {http://www.loc.gov/catdir/toc/ecip063/2005033283.html}
}