Hazel Everett Sylvain Lazard Giuseppe Liotta Stephen K. Wismath Universal Sets of <i>n</i> Points for 1-Bend Drawings of Planar Graphs with <i>n</i> Vertices. 345-351 2007 conf/gd/2007 Graph Drawing http://dx.doi.org/10.1007/978-3-540-77537-9_34 db/conf/gd/gd2007.html#EverettLLW07