Development and Application of Expert System in Audit Services. - Eric L. Denna; James V. Hansen; Rayman D. Meservy (IEEE Trans. Knowl. Data Eng., 1991)

Event-Driven Business Solutions: Implementation Experiences and Issues. - J. Owen Cherrington; William E. McCarthy; David P. Andros; Richard Roth; Eric L. Denna (ICIS, 1993)