H. Yoshikawa,IFIP WG 5.2 Working Conference on Design Theory for CAD.IFIP WG 5.2 Working Conference on Design Theory for CAD(Tokyo : 1985):Design Theory for CAD : proceedings.NHPC,1987.
IFIP WG 5.2 Working Conference on File Structures and Data Bases for CAD.IFIP WG 5.2 Working Conference on File Structures and Data Bases for CAD(1981 : F. R. G.):File Structures and data bases for CAD. Proceedings.NHPC,1982.