00498nam a2200157Ia 4500008004100000020001800041041000800059082001800067100002700085245010500112250000600217260004100223300001300264650003600277700002700313210716s2013    xx            000 0 und d  a9788126523054  aeng  a621.3821 HILF  aHillebrand, Friedhelm.  aGSM and umts: the creation of global mobile communication.bCreation of global mobile communication.  a1  aNew DelhibWiley India Pvt Ltdc2013  aviii,582  aCommunication Network(621.3821)  aHillebrand, Friedhelm.