"Information Systems for Managerial Planning and Control: A Conceptual Examination of Their Temporal Structure", Journal of MIS, Vol. 9, No. 2, Fall 1992.
"A Temporally Oriented Data Model" (with Michael Ginzberg), ACM Trans. on Database Systems, Vol. 11, No. 4, December 1986.
"DSS Design -- A Systemic View of Decision Support" (with Michael Ginzberg), Communications of the ACM, Vol. 28, No. 10, October 1985.