@book{556,
	author = {ET.AL, OTT BEVAN J.},
	title = {Chemical thermodynamics :},
	publisher = {Elsevier Science & Technology,},
	year = {2006.},
	address = {India},
	url = {http://www.amazon.com/exec/obidos/ASIN/8131202828/chopaconline-20}
}