00537nam a2200157Ia 4500001000500000005001700005008004100022020001500063082001400078100002700092245010000119260001800219650003700237999001500274952009000289349220261006003717.0120911s9999    xx            000 0 und d  a0835912094  a004.6 BLA  aBlack, Uyless D.94631  aData communications and distribuData communications and distributed networks / Uyless D. Black.  aPrentice Hall  aData transmission systems.91460  c3492d3492  00104070aNUbNUd2012-09-11l0o004.6 BLAp82r2012-09-11 00:00:00w2012-09-11yOS