Guy-Vincent Jourdan, Ivan Rival, Nejib Zaguia. Upward Drawing on the Plane Grid Using Less Ink. In Roberto Tamassia, Ioannis G. Tollis, editors, Graph Drawing, DIMACS International Workshop, GD 94, Princeton, New Jersey, USA, October 10-12, 1994, Proceedings. Volume 894 of Lecture Notes in Computer Science, pages 318-327, Springer, 1994.
Abstract is missing.