000 00346nam a2200145Ia 4500
008 220926s9999 xx 000 0 und d
100 _aJohn J.Donovan
245 0 _aOperating System
250 _a1st Ed
260 _aTokyo
260 _bTata McGraw Hill Publishing Company Ltd
260 _c1978
650 _aOperating System
942 _cBK
999 _c13547
_d13547