00417nam a22001217a 4500008004100000020001800041050002200059100002500081245006900106260003900175300002800214440005300242150528b        xxu||||| |||| 00| 0 eng d  a9780139087400  aQA 76.9 .A97 1999  aAyres, Robert.d1999  aThe Essence of Professional Issues in Computing.cRobert  Ayres.  aGreat BritainbPrentice Hallc1999  axv,210p.bInclude Index  aThe Essence of Professional Issues in Computing.