@book{6144,
	author = {Bhatnagar, Aditya.},
	title = {Fundamental of environmental studies /},
	publisher = {Oxford Book Company,},
	year = {2010.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/9380179677/chopaconline-20}
}