@book{4396,
	author = {Asthama, D.K. and Asthama, Meera.},
	title = {Environment Problems and Solution },
	publisher = {S Chand & Co Ltd,},
	year = {2012.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/8121916542/chopaconline-20}
}