Knowledge representation and planning control in an expert system for the creative design of mechanisms. - David A. Hoeltzel; Wei-Hua Chieng; John Zissimides (Artif. Intell. Eng. Des. Anal. Manuf., 1987)

A knowledge-based user interface for the interactive design of three-dimensional objects. - King Chan; David A. Hoeltzel (Artif. Intell. Eng. Des. Anal. Manuf., 1988)

Knowledge-based approaches for the creative synthesis of mechanisms. - David A. Hoeltzel; Wei-Hua Chieng (Comput. Aided Des., 1990)