000 00238nam a2200097Ia 4500
008 230915s9999 xx 000 0 und d
050 _aQA 76.5 .V 57 1991
100 _aVIRK,G.S
245 0 _aDIGITAL COMPUTER CONTROL SYSTEMS
942 _cBK
999 _c183490
_d183490