@book{637,
	author = {Veszprémi, Tamás. and Fehér, Miklós,},
	title = {Quantum chemistry :},
	publisher = {Kluwer Academic/Plenum,},
	year = {1999.},
	address = {Dordrecht ;},
	url = {http://www.loc.gov/catdir/enhancements/fy0820/99042895-d.html}
}