@book{683,
	author = {Bahl, Arun. and Tuli, G.D.},
	title = {Essential of physical chemistry },
	publisher = {S Chand & Co Ltd,},
	year = {2010.},
	address = {New Delhi},
	url = {http://www.amazon.com/exec/obidos/ASIN/8121929784/chopaconline-20}
}