000 00279nam a2200121Ia 4500
008 200802s9999||||xx |||||||||||||| ||und||
035 _a50195
100 _aStallings, W.
245 0 _aOperating systems .-7 edn
250 _a7 th
260 _bPearson Education
942 _cBK
_01
999 _c50196
_d50196