Huijuan Zhang Chong Li Leilei Gao Guoping Wang Hierarchical Mesh Segmentation Based on Quadric Surface Fitting. 33-40 2015 CAD/Graphics https://doi.org/10.1109/CADGRAPHICS.2015.26 conf/cadgraphics/2015 db/conf/cadgraphics/cadgraphics2015.html#ZhangLGW15