000			00313nam a2200133 4500
020			_a0070582718
082			_a621.38412 _bSMI-M
100			_aSmith, Jack R
245			_aModern communication circuits
260			_aNew Delhi _bTata McGraw Hill
300			_a576p.
650			_aCommunication circuits
942			_cBK
999			_c5965 _d5965