000 00250nam a22001097a 4500
020 _a9780199475001
082 _a621.3845
100 _aDALAL UPENA
245 _aWIRELESS AND MOBILE COMMUNICATION
260 _aNEW DELHI
_bOUP
_cXX 610P
942 _cBK
999 _c9199
_d9199