000			00501nam a2200181Ia 4500
008			211211s9999||||xx |||||||||||||| ||und||
020			_a0-07-034054-4
040			_cAKCL
082			_a004.61 _bKEN-E3
100			_aKennedy, George
245		0	_aElectronic Communication System _c/ by George Kennedy
250			_a3rd ed.
260			_aNew Delhi : _bTata McGraw Hill, _c1997
300			_a741 p.
650			_aComputer Science
654			_aData Processing, Data Communication, Networks
942			_cBK
999			_c436 _d436