000			00442nam a2200169Ia 4500
005			20260205054237.0
008			260111s9999||||xx |||||||||||||| ||und||
020			_a0074624563
082			_a621.382 T19P
100			_aTaub , Herbert
245		0	_aPrinciples of Communication Systems
260			_aNew Delhi _bTata McGraw Hill _c2003
300			_a758p.
690			_aTelecommunication
700			_aShilling , Donald L./
942			_cBK
999			_c135289 _d135289