@book{9656,
	author = {Denbigh, Kenneth George.},
	title = {The principles of chemical equilibrium :},
	publisher = {Cambridge University Press,},
	year = {c1981 [Reprinted 1987].},
	address = {Cambridge [Eng.] ;},
	edition = {4th ed.},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/samples/cam031/80040925.html}
}