000 00299nam a2200097Ia 4500
008 151128s9999 xx 000 0 und d
041 _aENG
245 _aConcise user's guide : microsoft MS-DOS 6.22 for the MS-DOS operating system
260 _c1994
_aWashingtonMicrosoft Corporation
942 _2udc
_cBK
999 _c29278
_d29278