00397    a2200145   4500020001500000082001500015100002100030245004800051250001200099260003400111300001900145650003500164650002100199650003100220  a033337083X  a004.6bSIP  aSippl, Charles J  aMacmillan dictionary of data communications  a2nd ed.  aLondonbMacmillanc1985g1985  aiv,532p.c24cm  aINTERFACING AND COMMUNICATIONS  aCOMPUTER SCIENCE  aELECTRONIC DATA PROCESSING