000 00280nam a2200121Ia 4500
008 220204s9999 xx 000 0 und d
082 _a681.31
_bKUR
100 _aStanley A
245 0 _aOperating systems principles
250 _aEd.2
260 _aDelhi
_bCBS
_c1986
942 _cBK
999 _c39694
_d39694