000 00327nam a2200133Ia 4500
100 _aFrenzel, Louis E.
020 _a9780070667556
250 _a3rd ed
942 _cBK
245 _aPrinciples of electronic communication systems
260 _aTata McGraw Hill, New Delhi
_c2008
082 _a621.38 Fre
300 _axiii, 885
999 _c48688
_d48688