000 00300nam a2200109Ia 4500
008 110623s9999 xx 000 0 und d
050 _aQA 76.9 C55 T72 1999
100 _aVanValkenburg, Jasan
245 _aSams Teach yourself Microsoft Exchange server 5.5 in 21 days
260 _bTechmedia
942 _cBK
999 _c381
_d381