000			00339nam a22001337a 4500
020			_a9780070483989
082			_222 _a621.38221
100			_aFrenzel, Louis E.
245			_aCommunication electronics /
250			_a3rd.
260			_aNew Delhi, _bTata McGraw Hill, _cc2007.
300			_axii, 532 p. ; _bill. ; _c26 cm.
942			_2ddc _cEE
999			_c1961 _d1961