Norman I. Badler, Robert A. Ellis. State of the Art in Computer Graphics: A SIGGRAPH Perspective. In José L. Encarnação, editor, 2nd European Computer Graphics Conference and Exhibition, Eurographics 1981, Darmstadt, Germany, September 9-11, 1981, Proceedings. North-Holland / Eurographics Association, 1981. [doi]
Abstract is missing.