000			00334nam a2200145Ia 4500
008			170101s2002 xx 000 0 und d
020			_a0070483906
100			_aAli R Syed
245		0	_aDigital Switching Systems
260			_adelhi _bTMH _c2002
300			_a219
650			_aDIGITAL
650			_aElectronic
942			_2ddc _cBK
999			_c158793 _d158793