Atienza, Nieves,
De Castro, Natalia,
Cort\'{e}s, Carmen,
Garrido, M. Ángeles,
Grima, Clara I.,
Hern\'{a}ndez, Gregorio,
M\'{a}rquez, Alberto,
Moreno, Auxiliadora,
Martin Nöllenburg,
Portillo, José Ramón,
Reyes, Pedro,
Valenzuela, Jes\'{u}s,
Villar, Maria Trinidad,
Wolff, Alexander J. Computational Geometry, volume 3, number 1, pages 102-131, 2012.