@book{11266,
	author = {CHHATWAL, G. R. and Chhatwal, G.R.},
	title = {Encyclopaedia of environmental technology 2 Vol set},
	publisher = {Anmol Publications Pvt Ltd,},
	year = {1999.},
	address = {[S.l.] :},
	edition = {1st ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/8126102071/chopaconline-20}
}