00594nam a22001817a 4500003000800000005001700008008004100025020001500066040002100081082002000102100001900122245013500141260004400276300003000320365001600350500002000366650002600386BD-DhUL20140808150954.0140808s2002    xxka|||| |||| 001 0 eng d  a1580535755  aBD-DhULcBD-DhUL  223a004.62bHEG1 aHeine, Gunnar.1 aGPRS signaling & protocol analysis :bVol. 1. the perspective of the radio access network and the mobile station / cHeine Gunner.  aKarlsruhe, Germany :bINACON GmbHc2002  av. :bcol. ill. ;c28 cm.  aUSDb310.37  aIncludes index. 0aSignals and signaling