00354nam a22001337a 4500003000400000005001700004008004100021040002500062100002300087245005600110250001200166260003100178300001100209OSt20260223104525.0260223b        |||||||| |||| 00| 0 eng d  cNVSU Library Bambang  aStallings, William  aData and Computer CommunicationscWilliam Stallings  a3rd ed.  aNY:bMcMillan Pub.,c1991.  a817 p.