@book{4230,
	author = {Arvind, Kumar.},
	title = {Air Pollution and its Control },
	publisher = {Shree Publishers & Distributors,},
	year = {2011.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/8183294057/chopaconline-20}
}