Information Processing Letters 31 (1989) 7-15 North-Holland AN ALGORITHM FOR DRAWING GENERAL UNDIRECTED GRAPHS Tomihisa KAMADA and Satoru KAWAI 12 April 1989 Department of Information Science, Faculty of Science, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113 Japan Communicated by E.C.R. Hehner Received 4 July 1988 Revised 13 November 1988 Keywords: Graph, network structure, layout, draw