Bielawski, Larry. Expert systems development : building PC-based applications / Larry Bielawski, Robert Lewand - Wellesley, Mass : QED Inf0rmation Sciences , c1988 - xiii, 255 p, ; 23 cm. ISBN: 0471560448 Subjects--Topical Terms: Expert systems (Computer science)Microcomputers--Programming. Dewey Class. No.: 006.33 / BIE