000 00309nam a2200121Ia 4500
008 210122s9999 xx 000 0 und d
264 _c2017-06-06
650 _aInformation Technology
942 _cCD/DVD
245 _aComputer Networks And Internets
260 _bPearson Education
_c2011
546 _aENGLISH
999 _c24349
_d24349