00281nam a2200109Ia 4500100002700000654002800027245004900055260003000104082001700134300000800151546001200159  aCassel/Donk Jackson/M   aComputers & Information  aIntrod.To Computers & Information Processing  bRuston Pub.aRustonc1985  a1.6bCas/Ipc  a673  aENGLISH