@book{93170,
	author = {Ma, Zhongqi, and Gu, X. Y. and ebrary, Inc.},
	title = {Problems and solutions in group theory for physicists},
	publisher = {World Scientific Pub.,},
	year = {2004.},
	address = {River Edge, NJ :},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=10078537}
}