000 00282nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a621.38195 I61
100 _aI B M
245 0 _aPERSONAL COMPUTER GUIDE TO OPERATIONS
260 _bI.B.M
300 _a22X14
942 _cBK
_2DDC
999 _c21117
_d21117