Bibliographic Section. - A. Essam Radwan; Kenneth Button; Leigh B. Boske; Paul T. Nelson; Peter G. Furth; Amedeo R. Odoni (Transp. Sci., 1989)

Validating Expert Systems. - Timothy J. O'Leary; Michael Goul; Kathleen E. Moffitt; A. Essam Radwan (IEEE Expert, 1990)