@book{456,
	author = {Smith, J. M. and Van Ness, H. C.},
	title = {Introduction to chemical engineering thermodynamics.},
	publisher = {McGraw-Hill,},
	year = {c2005.},
	address = {Boston :},
	edition = {7th ed. /},
	url = {http://www.loc.gov/catdir/description/mh051/2004058781.html}
}