%0 Journal Article %A Walter Didimo %T Upward Planar Drawings and Switch-regularity Heuristics %J Journal of graph algorithms and applications %D 2006 %P 259-285 %V 10 %N 2 %U http://geodesic.mathdoc.fr/articles/10.7155/jgaa.00127/ %R 10.7155/jgaa.00127 %G en %F JGAA_2006_10_2_a7