00427nam a22001697a 4500003000400000005001700004008004100021020001800062040000800080082002000088100001800108245005500126250001000181260003200191300001100223650002300234OSt20141203152400.0030206s2002    ck            000 0 spa d  a9788478290833  cOSt04221a004.6bH3571 aHalsall, Fred00aRedes de computadores e internet / cFred  Halsall  a5 ed.  aMadrid : bPearson, c2006.  a856 p.042LEMBxINFORMATICA