%0 Journal Article %A Jonathan Klawitter %A Johannes Zink %T Upward Planar Drawings with Three and More Slopes %J Journal of Graph Algorithms and Applications %D 2023 %P 49-70 %V 27 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.7155/jgaa.00617/ %R 10.7155/jgaa.00617 %G en %F JGAA_2023_27_2_a2