%0 Journal Article
%A Walter Didimo
%A Maurizio Pizzonia
%T Upward Embeddings and Orientations of Undirected Planar Graphs
%J Journal of Graph Algorithms and Applications
%D 2003
%P 221-241
%V 7
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.7155/jgaa.00068/
%R 10.7155/jgaa.00068
%G en
%F JGAA_2003_7_2_a6