000 00290nam a22001337a 4500
020 _a9788121931021
082 _aTK5101
100 _aKHANNA
245 _aDigital Communications
264 _aNew Delhi
_bRam Nagar
_c2009
300 _a268P.
650 0 _aCommunications
942 _2lcc
_cBK
999 _c11432
_d11432