LEADER 00000cam a2200217 a 4500 001 u4035 001 3540 003 SIRSI 005 20070213141800.0 008 900117s1990 xxua 001 0 eng0d 020 0895886642 050 00 TK5105.7|b.D67 1990 100 1 Dortch, Michael 245 14 The ABC's of local area networks /|cMichael Dortch. 260 San Francisco :|bSYBEX,|c1990. 300 xv, 212 p. :|bill. ;|c23 cm. 500 Includes index. 504 Bibliography (p. 190-195). 650 0 Local area networks (Computer networks)