Jose L. Encarnacao.Eurographics` 81(2nd : 1981 : Technische Hochschule Darmstadt ):International Conference and Exhibition.North Holland Pub. Co.,1981.
ed. by J. Encarnacao.Advanced Course on Computer Aided Design ( 1980 : Darmstdadt ):Computer Aided Design modelling, systems engineering, CAD-systems.Springer,1980.
J. L. Encarnacao,CAD/CAM as a basis for the development of technology in developing nations.CAD/CAM as a basis for the development of technology in developing nations (1981).NHPC,1981.