Eugene Fink and Derick Wood. Strong restricted-orientation convexity. Geometriae Dedicata, 69(1), pages 35-51, 1998. See PostScript, PDF, or abstract. An extended version is available as Technical Report CMU-CS-95-154, School of Computer Science Carnegie Mellon University, 1995. See PostScript or PDF of the extended version.
Eugene Fink and Derick Wood. Generalized halfspaces in restricted-orientation convexity. Journal of Geometry, 62, 99-120, 1998. See PostScript, PDF, or abstract. An extended version is available as Technical Report HKUST-CS95-45, Department of Computer Science, Hong Kong University of Science & Technology, 1995. See PostScript or PDF of the extended version.
Eugene Fink and Derick Wood. Planar strong visibility. International Journal of Computational Geometry and Applications, 13(2), pages 173-187, 2003. See PostScript, PDF, or abstract.
Eugene Fink and Derick Wood. Restricted-orientation halfspaces. In Proceedings of the Vision Geometry V Conference, pages 24-33, 1996. See PostScript, PDF, or abstract.
Eugene Fink and Derick Wood. Generalizing halfspaces. In Proceedings of the Eighth Canadian Conference on Computational Geometry, pages 211-216, 1996. See PostScript, PDF, or abstract.
Eugene Fink and Derick Wood. Three-dimensional restricted-orientation convexity. In Proceedings of the Eighth Canadian Conference on Computational Geometry, pages 258-263, 1996. See PostScript, PDF, or abstract.
Eugene Fink and Derick Wood. Computational problems in strong visibility. In Proceedings of the Vision Geometry VI Conference, pages 95-105, 1997. See PostScript, PDF, or abstract.