000			00331nam a2200145Ia 4500
020			_a8170294851
082			_a005.43 _bDUN
100			_aDuncan, Ray
245			_aAdvanced MS DOS Pprogramming
250			_a2nd
260			_aNew Delhi _bB. P. B. _c1994
300			_axiv, 669p.
650			_aInformation Technology
044			_aIndia
999			_c2764 _d2764