000 00337nam a2200145Ia 4500
020 _a0000000000
082 _bT-548
_a001.642
100 _a"Microsoft"
245 0 _aMicrosoft MS-DOS
260 _b,Microsoft Corporation
_aUSA
_c1987
300 _a430
944 _cTB
999 _c672314
_d672314