Toward a more comprehensive gait disorder analysis expert system. - George A. Bekey; Joung-woo John Kim (SMC, 1989)

Adaptive abstraction in expert systems for medical diagnosis. - Joung-woo John Kim; George A. Bekey (CBMS, 1992)

GAIT-ER-AID: An expert system for diagnosis of human gait. - George A. Bekey; Joung-woo John Kim; JoAnne K. Gronley; Ernest L. Bontrager; Jacquelin Perry (Artif. Intell. Medicine, 1992)