@book{6006,
	author = {Ebersp�acher, J. and ebrary, Inc.},
	title = {GSM},
	publisher = {Wiley,},
	year = {2009.},
	address = {Chichester, U.K. :},
	edition = {3rd ed., English lang. ed.},
	note = {Prev. ed. catalogued under J�org Ebersp�acher, 2001.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10275659}
}