000 00313nam a2200133Ia 4500
008 220204s9999 xx 000 0 und d
082 _a681.14O/PC
_bDEV
100 _aDevoney, Chris
245 0 _aUsing PC DOS
250 _a2
260 _aSingapore
_bTech
_c1988
650 _aDisc operating system
942 _cBK
999 _c39700
_d39700