Marhl, M.Akman, V.2016-02-082016-02-0819940097-8493http://hdl.handle.net/11693/25988In the context of the paper of V. Akman and A. Arslan, "Sweeping with All Graphical Ingredients in a Topological Picturebook" [Computers & Graphics, Vol. 16(3), pp. 273-281, 1992], a new construction of the rotational matrix is presented. This fixes a bug discovered by the first author.EnglishArticle10.1016/0097-8493(94)90163-5