Martti Mäntylä, Tapio Takala. The Geometric Workbench (GWB) - An Experimental Geometric Modeling System. 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.