00365    a2200133   4500020001500000082001700015100001800032245003000050260004600080300002100126650002100147650002800168650003500196  a0750621125  a004.692bCOL  aCollin, Simon  aE-mailba practical guide  aOxfordbButterworth Heinemannc1995g1995  axii, 226p.c25cm  aComputer science  aComputer communications  aInterfacing and communications