@article{JGAA_2011_15_1_a7,
     author = {Ulrik Brandes and Christian Pich},
     title = {More {Flexible} {Radial} {Layout}},
     journal = {Journal of Graph Algorithms and Applications},
     pages = {157--173},
     publisher = {mathdoc},
     volume = {15},
     number = {1},
     year = {2011},
     doi = {10.7155/jgaa.00221},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.7155/jgaa.00221/}
}