000 00281nam a2200121Ia 4500
008 230303s9999 xx 000 0 und d
041 _aeng
082 _a005.3682 DUN
100 _aDUNCAN (RAY)
245 _aAdvanced MSDOS Programming
260 _aN.DELHI
_b: BPB
365 _cRS
999 _c178872
_d178872