000 00255nam a2200109Ia 4500
008 200802s9999||||xx |||||||||||||| ||und||
035 _a21333
100 _aOlejniczak,S.P.
245 0 _aTelecom For Dummies
260 _bJohn Wiley, New Delhi
942 _cBK
999 _c21333
_d21333