000 00339nam a2200121Ia 4500
100 _aFrenzel, Louis E
020 _a0-07-066755-1
942 _cBK
245 _aPrinciples of electronic communication systems .-3rd ed .-0-07-066755-1
260 _aTata Mcgraw-Hill Publishing, New Delhi
_c2008
082 _a621.38 Fre
300 _axiii, 885
999 _c38259
_d38259