@book{983,
	author = {Engel.Thomas},
	title = {Quantum chemistry & spectroscopy },
	publisher = {PEARSON EDUCATION,},
	year = {2009.},
	series = {S.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/8131712850/chopaconline-20}
}