Robert Wilensky, Robert F. Simmons, Arvin Levine, Mitchell Marcus, Roger C. Schank. SIGART (Paper Session). In John A. Gosden, Olin G. Johnson, editors, Proceedings of the 1976 Annual Conference, Houston, Texas, USA, October 20-22, 1976. pages 45, ACM, 1976. [doi]
Abstract is missing.