000 00309nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a621.38195 H474
100 _aHELD.G
245 0 _aIBM PC & PC XT USER'S REFERENCE MANUAL
260 _aDELHI
_bBPB Publications
_c1987
300 _a23X17
942 _cBK
_2DDC
999 _c23161
_d23161