000 00428 a2200169 4500
020 _a0074636820
082 _a621.382
_bKEN
090 _c12714
_d18513
100 _aKennedy, George
245 _aElectronic communication systems
250 _a4th.
260 _aNew Delhi
_bTata McGraw - Hill
_c1993
_g1993
300 _axv, 763p.
_c24cm.
650 _aCOMMUNICATIONS ENGINEERING
700 _aDavis, Bernards
942 _cL
999 _c41085
_d41085