000 00353nam a2200145Ia 4500
008 220926s9999 xx 000 0 und d
100 _aRobert J.Vezello & John Reutter
245 0 _aData Processing Systems and Concepts
250 _a-
260 _a-
260 _b-
260 _c0
650 _aData Processing Systems and Concepts
942 _cBK
999 _c12692
_d12692