Thomas G. Williams. An on-line two-dimensional computation system. In American Federation of Information Processing Societies: Proceedings of the AFIPS '72 Fall Joint Computer Conference, December 5-7, 1972, Anaheim, California, USA - Part I. Volume 41 of AFIPS Conference Proceedings, pages 499-506, AFIPS / ACM / Thomson Book Company, Washington D.C., 1972. [doi]
Abstract is missing.