Oswin Aichholzer Sergey Bereg Adrian Dumitrescu Alfredo García Olaverri Clemens Huemer Ferran Hurtado Mikio Kano Alberto Márquez David Rappaport Shakhar Smorodinsky Diane L. Souvaine Jorge Urrutia David R. Wood 617-626 2009 42 Comput. Geom. 6-7 http://dx.doi.org/10.1016/j.comgeo.2008.12.005 db/journals/comgeo/comgeo42.html#AichholzerBDGHHKMRSSUW09