@book{5908,
	author = {N, Basak N.},
	title = {Environmental engineering /},
	publisher = {Tata Mcgraw Hill,},
	year = {2003.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/0070494630/chopaconline-20}
}