000 00358nam a2200181Ia 4500
008 240530s9999 xx 000 0 und d
082 _a5.136
082 _bNOR
100 _aNORTON P
245 4 _aTHE IBM PC/PS/2
250 _n0
250 _n1994
260 _bBPB
365 _b270
650 _aCOMPUTER
942 _cREF
950 _CCOMPUTER
999 _c192202
_d192202