Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL Effective CADCAM and Institution of Mechanical Engineers (Great Britain). Engineering Manufacturing Industries Division,"Proceedings of the Institution of Mechanical Engineers : Fourth European Conference : Effective CADCAM, 6-7 December 1989, the Institution of Mechanical Engineers, Birdcage Walk, London",,Published for the Institution of Mechanical Engineers by Mechanical Engineering,1989,IMechE conference publications,,085298698X,,https://cir.nii.ac.jp/crid/1130282270619584512