000			00448nam a2200157Ia 4500
008			230312s9999||||xx |||||||||||||| ||und||
020			_a0-471-13302-7
082			_a621.382 _bFRE-T
100			_aFreeman, Roger L.
245		0	_aTelecommunication System Engineering
260			_bJohn Wiley & Sons _aNew York _c1989
300			_a1023
546			_aEng.
650			_aEngineering _vBackground and Concept , Simple Telephone Connection
942			_cBK
999			_c1384 _d1384