000 00274nam a2200109Ia 4500
008 230928s9999 xx 000 0 und d
020 _a978007244815
090 _a005.43 ELM
100 0 _aElmasri, Ramez
245 0 0 _aOperating System: a spiral approach
260 _bMc Graw Hill
999 _c5358
_d5358