000 00266nam a2200097Ia 4500
008 190719s9999 xx 000 0 und d
100 _aRussell A Stultz
245 0 _aLearn DOS in a day: For users of all MS-DOS versions
260 _aNew Delhi
_bBPB
_c1994
942 _cBK
999 _c10592
_d10592