00273nam a2200109Ia 4500008004100000020001500041041000800056100001800064245004100082260002500123300001500148211209s2008    xx            000 0 und d  a0070527997  aeng  aKASERA, SUMIT  a3G NETWORKS: ARCHITECTURE PROTOCALS   aNEW DELHIbTMHc2008  aXXVIII-570