Keravnou, E. T. Competent expert systems : a case study in fault diagnosis / E.T. Keravnou & L. Johnson. - 1st American ed. - New York : MacGraw-Hill, 1986. - 320 p. : ill. ; 24 cm. Includes indexes. ISBN: 0070341680 : $32.95 LCCN: 86020969 LC Class. No.: QA76.76.E95 / K44 1986 Dewey Class. No.: 006.3/3