Using causal reasoning in gait analysis. - David E. Hirsch; Sheldon R. Simon; Tom Bylander; Michael A. Weintraub; Peter Szolovits (Appl. Artif. Intell., 1989)

Intelligent Support of Gait Analysis. - Kathy A. Johnson; Sheldon R. Simon; Philip J. Smith; Jack W. Smith (AMIA, 1999)