Robert F. Sproull, Ivan E. Sutherland. A clipping divider. In American Federation of Information Processing Societies: Proceedings of the AFIPS '68 Fall Joint Computer Conference, December 9-11, 1968, San Francisco, California, USA - Part I. Volume 33 of AFIPS Conference Proceedings, pages 765-775, AFIPS / ACM / Thomson Book Company, Washington D.C., 1968. [doi]
Abstract is missing.