Robert J. Moorhead II Yanlin Guan Hans Hagen Sven Böttger Natallia Kotava Christian Wagner Illustrative visualization: interrogating triangulated surfaces. 131-150 2009 86 Computing 2-3 http://dx.doi.org/10.1007/s00607-009-0051-x db/journals/computing/computing86.html#MoorheadGHBKW09