000 00360nam a2200169Ia 4500
008 190201s9999 xx 000 0 und d
020 _a9.79E+12
082 _a4
082 _b65 TOM
100 _a"Tomso,Greg"
245 0 _aGuide To Networking Esse
250 _aFIFTH
260 _aU.S.A
260 _bThomsan
260 _c2007
300 _a"XXI, 658"
999 _c49395
_d49395