00461nam a2200169Ia 450000100060000000800410000602000180004704000130006508200180007810000210009624500680011725000080018526000500019330000110024354600070025465000300026126892140414s9999    xx            000 0 und d  a0-13-096139-6  cPK-LaUMT  a 004.6bBEY-D  aWilliam J. Beyda  aData communicationsbfrom basics to broadbandcWilliam J. Beyda  a3rd  aUpper Saddle River,USA:bPrentice Hall,c2000  a330 p.  aEN  aData transmission systems