@book{36706,
	author = {Grosman, Yi�sra�el. and Magnus, Wilhelm. and ebrary, Inc.},
	title = {Groups and their graphs},
	publisher = {Mathematical Association of America,},
	year = {1992.},
	series = {Anneli Lax New Mathematical Library ;},
	address = {Washington, DC :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10729368}
}