@article{JGAA_2011_15_5_a2,
     author = {Carla Binucci and Emilio Di Giacomo and Walter Didimo and Aimal Rextin},
     title = {Switch-Regular {Upward} {Planarity} {Testing} of {Directed} {Trees}},
     journal = {Journal of Graph Algorithms and Applications},
     pages = {587--629},
     publisher = {mathdoc},
     volume = {15},
     number = {5},
     year = {2011},
     doi = {10.7155/jgaa.00241},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.7155/jgaa.00241/}
}