Upward Drawings on Planes and Speres

S. Mehdi Hashemi, Andrzej Kisielewicz, Ivan Rival. Upward Drawings on Planes and Speres. In Franz-Josef Brandenburg, editor, Graph Drawing, Symposium on Graph Drawing, GD 95, Passau, Germany, September 20-22, 1995, Proceedings. Volume 1027 of Lecture Notes in Computer Science, pages 277-286, Springer, 1995.

Abstract

Abstract is missing.