Eric A. Bier, Steve Freeman. MMM: a user interface architecture for shared editors on a single screen. In James R. Rhyne, editor, Proceedings of the 4th Annual ACM Symposium on User Interface Software and Technology, UIST 1991, Hilton Head, South Carolina, USA, November 11-13, 1991. pages 79-86, ACM, 1991. [doi]
Abstract is missing.