LEADER 00000nam a2200277 a 4500 001 u10121 001 10104 003 SIRSI 005 20021005000000.0 008 950828s1999 enka b 001 0 eng 020 9812338927 050 00 TK5105|b.H35 1999 100 1 Halsall, Fred 245 10 Data communications, computer networks, and open systems / |cFred Halsall. 250 4th ed 260 Harlow, England ;|bAddison-Wesley :|c1999 300 xvi, 907 p. :|bill. ;|c25 cm. 440 0 Electronic systems engineering series 504 Includes bibliographical references (p. 893-899) and index. 650 0 Data transmission system 650 0 Computer networks 650 0 Local area networks (Computer networks) 650 0 Computer network protocols