@book{2103,
	author = {Rana, S. V. S.},
	title = {Environmental Studies},
	publisher = {Rastogi Publications,},
	year = {2005.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/8171337287/chopaconline-20}
}