000 00281nam a2200121Ia 4500
008 160710s1990 xx 000 0 und d
082 _a001.642 DEI
100 _aDEITEL,H.M.
245 _aOPERATING SYSTEM
260 _bADDISON WESLY PUB.
_c1990
300 _a852
942 _2ddc
_cB
999 _c50209
_d50209