Heine, Gunnar.
GSM Networks : Protocols, Terminology, and Implementation / Heine Gunnar. - Boston : Artech House, 1999. - XI, 416 s.: il.; 23 cm.
0890064717
GSM Networks : Protocols, Terminology, and Implementation / Heine Gunnar. - Boston : Artech House, 1999. - XI, 416 s.: il.; 23 cm.
0890064717