000 00299nam a2200121Ia 4500
100 _aHac, Anna
020 _a0470850566
942 _cBK
245 _aMobile telecommunications protocols for data networks
260 _aJohn wiley & sons, England
_c2003
082 _a384.648 Hac
300 _axii,246
999 _c48855
_d48855