000 00310nam a22001097a 4500
999 _c284000
_d284000
008 220909b ||||| |||| 00| 0 eng d
020 _a0852265050
245 _aCommunication Systems
260 _aNew Delhi
_bVinod Kumar for Wiley Eastern Limited,
_c1968
300 _axi,431p.
650 _aEngineering
_912069