00518nam a2200193   450000500170000000700040001700800040002102000150002504000090004005000260004924500600007526000320013530000270016750000500019465000260024470000190027070000170028970000180030620141029102444.0000000  a0201627698  aUOEL  aQA76.9.H85b.P74 1994  aHuman-Computer interaction /cJenny Preece ... [et al.]  aHarlow ;bPearson ,cc1994.  axxviii, 775 p. :bill.  aincludes bibliographical references and index  aComputerxMathematics  aRogers, Yvonne  aSharp, Helen  aBenyon, David