000 00261nam a2200121Ia 4500
008 161121s9999 xx 000 0 und d
100 _aDurr (Michael)
245 0 _aNetworking IBM PCS
260 _cMcGraw-Hill
365 _b0
650 _aNIL
942 _cBK
999 _c107095
_d107095