Interactive Use of Problem Knowledge for Clustering and Decision Making. - Edward A. Patrick; Leon Y. L. Shen (IEEE Trans. Computers, 1971)

Introduction to the theory of medical consulting and diagnosis. - Edward A. Patrick; Leon Y. L. Shen; Frank P. Stelmack (AFIPS National Computer Conference, 1973)

Review of Pattern Recognition in Medical Diagnosis and Consulting Relative to a New System Model. - Edward A. Patrick; Frank P. Stelmack; Leon Y. L. Shen (IEEE Trans. Syst. Man Cybern., 1974)