000 00253nam a2200109Ia 4500
008 200129s9999 xx 000 0 und d
082 _a005.43 TAN-M
100 _aTANENBAUM, A.S.
245 0 _aMODERN OPERATING SYSTEMS
260 _bPHI
_c2008
942 _cREF
999 _c650
_d650