@book{12989,
	author = {Hilal, Hikmat S. and Sayda, Abed Al-Hafez. and ebrary, Inc.},
	title = {An introductory course on group theory and chemical applications},
	publisher = {Novinka,},
	year = {c2011.},
	series = {Chemistry research and applications},
	address = {New York :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10686111}
}