Akiyama, J.,Ito, Hiro,Sakai, Toshinori..Discrete and computational geometry and graphs : 16th Japanese Conference, JCDCGG 2013, Tokyo, Japan, September 17-19, 2013 : revised selected papers /.,.
Discrete and computational geometry and graphs : 16th Japanese Conference, JCDCGG 2013, Tokyo, Japan, September 17-19, 2013 : revised selected papers /
