HansJoerg Vögel

title	ISBN-13 (ISBN-10)	year of publica- tion	other author(s)
GSM: Architecture, Protocols and Services	978-O-47O-O3O7O-7 (O-47O-O3O7O-4)	2008	Jörg Eberspächer · Christian Bettstetter · Christian Hartmann