000 00295nam a2200121Ia 4500
008 210122s9999 xx 000 0 und d
264 _c2017-05-24
650 _aInformation Technology
942 _cCD/DVD
245 _aUpgrading And Repairing Network
260 _bTechmedia
546 _aENGLISH
999 _c24493
_d24493