000			00370nam a2200169Ia 4500
003			0STCL
008			150530s9999 xx 000 0 und d
040			_aSTCL _cSTCL
100			_aStallings, W.
245			_aData and Computer communications
250			_aSixth
260			_c2003
546			_aEnglish
942			_2ddc _cBK
999			_c954 _d954
005			20220125160209.0