Kyu-Yeul Lee Doo-Yeoun Cho Tae Wan Kim A Tracing Algorithm for Surface-Surface Intersections on Surface Boundaries. 843-850 2002 17 J. Comput. Sci. Technol. 6 http://dx.doi.org/10.1007/BF02960775 db/journals/jcst/jcst17.html#LeeCK02