000 00283nam a2200109Ia 4500
008 230928s9999 xx 000 0 und d
020 _a1401852491
090 _a005.43 GRA
100 0 _aGraves, Michael
245 0 0 _aA+ Guide to Pc Operating Systems
260 _bThomson Delmar Learning
999 _c17064
_d17064