@book{47809,
	author = {Gupta, Kulwant Rai .},
	title = {Encyclopaedia of environment /},
	publisher = { Atlantic Publishers & Distributors, },
	year = {2005.},
	address = {New Delhi, India :},
	note = {	v. 1-2. Environment problems and policies --
v. 3. Global warming : problems and policies.}
}