00429nam a2200157 a 4500001001400000003000400014008004100018020001500059050002600074100002500100245004500125250001100170260005100181300001700232650002200249vtls000087481MTX170224c2003    maua          000   eng d  a013038488700aTK5105.5bT87 C6 2003 1aTanenbaum, Andrew S.10aComputer networks /cAndrew S. Tanenbaum  a4th ed  aUpper Saddle River, NJ :bPrentice Hall,c2003  a891 p :bill 0aComputer networks