Daniel A. Cañas. Graphos: a graphic operating system. In A. K. Rigler, Daniel C. St. Clair, editors, Proceedings of the 18st SIGCSE Technical Symposium on Computer Science Education, 1987, St. Louis, Missouri, USA, February 19-20, 1987. pages 201-205, ACM, 1987. [doi]
Abstract is missing.