000 00305nam a2200121Ia 4500
008 230303s9999 xx 000 0 und d
041 _aeng
082 _a005.43 PAL
100 _aPalmer (Micheal) & Walters
245 _aGuide to Operating Systems
260 _aAustralia
_bCenage Learning
365 _cRS
999 _c182796
_d182796