000 00382nam a2200145Ia 4500
008 210716s1987 xx 000 0 und d
041 _aeng
082 _a005.362 HELG
100 _aHeld, Gilbert.
245 _aIBM PC and PC XT: users reference manual.
_bUsers reference manual.
250 _a2
260 _aNew Delhi
_bBPB Publications
_c1987
300 _a478
650 _aNone
999 _c181842
_d181842