000 00251nam a2200109Ia 4500
008 230401s9999 xx 000 0 eng d
100 _aTANENBAUM(AS)
245 0 _aMODERN OPERATING SYSTEM
250 _a3
260 _bPRENTICE HALL
942 _2ddc
_cBTECH
999 _c4790
_d4790