Eurographics'81 : proceedings of the international conference and exhibition, Technische Hochsciule Darmstadt, F.R. of Germany 9-11 September 1981 / edited by Jose L. Encarnacao. - Amsterdam : North-Holland, 1981. - xii,335 p. : ill. maps ; 23 cm. Includes index. ISBN: 0444862846 Subjects--Topical Terms: Computer graphics--Congresses