M. Benkert, M. Nöllenburg, T. Uno, and A. Wolff. Proc. 14th Int. Sympos. Graph Drawing (GD'06), volume 4372 of Lecture Notes in Computer Science, page 270--281. Springer-Verlag, (2007)
M. Aulbach, M. Fink, J. Schuhmann, and A. Wolff. Proc. 22nd Int. Sympos. Graph Drawing (GD'14), volume 8871 of Lecture Notes in Computer Science, page 367--379. Springer-Verlag, (2014)
D. Merrick, M. Nöllenburg, A. Wolff, and M. Benkert. Proc. 15th Annu. Geograph. Inform. Sci. Research
Conf. UK (GISRUK'07), page 390--399. Maynooth, Ireland, (2007)
M. Nöllenburg, and A. Wolff. Proc. 13th Int. Sympos. Graph Drawing (GD'05), volume 3843 of Lecture Notes in Computer Science, page 321--333. Springer-Verlag, (2006)