000 00279nam a2200121Ia 4500
008 220201s2008 xx 000 0 eng d
082 _a005.446
_bSTE
100 _aStevens, A.L.
245 0 _aTeach Yourself DOS
260 _aNew Delhi
_bBPB
_c2008
300 _a267
942 _2ddc
999 _c63916
_d63916