Yin-Feng Xu Wenqiang Dai Naoki Katoh Makoto Ohsaki Triangulating a Convex Polygon with Small Number of Non-standard Bars. 481-489 2005 conf/cocoon/2005 COCOON http://dx.doi.org/10.1007/11533719_49 db/conf/cocoon/cocoon2005.html#XuDKO05