@book{6145,
	author = {Sethi, Purnima. and Kulkarni, V. S.},
	title = {Environmental pollution and control /},
	publisher = {Alfa Publications,},
	year = {2011.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/9380937091/chopaconline-20}
}