00742aam a2200241 a 4500001001200000003000200012005001700014008004100031010001300072015001500085020001500100020002200115035000900137040001900146100001600165245005700181260006400238300003500302440004300337504006600380650002300446653003100469ocm20839839020230123133533.0900920s1989    enka     b    001 0 eng    a90197010  aGB90-31595  a0521327954  a0521339928 (pbk.)  bH130  aDLCcNUSTdUKM1 aRussell, D.14aThe principles of computer networking /cD. Russell.  aCambridge ;aNew York :bCambridge University Press,c1989.  axvii, 513 p. :bill. ;c24 cm. 0aCambridge computer science texts ;v25  aIncludes bibliographical references (p. [481]-488) and index. 0aComputer networks.  aComputer systemsaNetworks