@book{21003,
	author = {Fitts, Donald D., and ebrary, Inc.},
	title = {Principles of quantum mechanics as applied to chemistry and chemical physics},
	publisher = {Cambridge University Press,},
	year = {1999.},
	address = {New York :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=5005968}
}