00496nam a2200169Ia 4500003000600000005001700006008004100023020001800064040002500082082002000107100002200127245007100149250001100220260005000231300002600281500001900307NORSU20240322025903.0240214s9999    xx            000 0 und d  a0-13-035914-9  aNORSU-DumcNORSU-Dum  a005.71/P19/2003  aPanko, Raymond R. 0aBusiness data networks and telecommunicationscby Panko Raymond R.  a4th.ed  bPrentice Hallc2003aUnited States of America  axxix, 510pages, 24cm.  aIncludes Index