The management of uncertainty in commercial expert system building tools. - Terry D. Escamilla; Dick B. Simmons; Newton C. Ellis (TAI, 1990)

Expert system building tools. - Dick B. Simmons; Terry D. Escamilla; Newton C. Ellis (COMPSAC, 1991)

Manager Associate. - Dick B. Simmons; Newton C. Ellis; Terry D. Escamilla (IEEE Trans. Knowl. Data Eng., 1993)

Translation of Uncertainty Representation Formats Through a Knowledge Canonical Form. - Jeffrey M. Jilg; Dick B. Simmons; Newton C. Ellis (Inf. Sci., 1994)

Software Process Agents. - Dick B. Simmons; Newton C. Ellis; Way Kuo (SEKE, 1996)

Knowledge Conceptualization Tool. - Hiroko Fujihara; Dick B. Simmons; Newton C. Ellis; Robert E. Shannon (IEEE Trans. Knowl. Data Eng., 1997)