Eugene Fink, Derick Wood. Generalizing Halfspaces. In Frank Fiala, Evangelos Kranakis, Jörg-Rüdiger Sack, editors, Proceedings of the 8th Canadian Conference on Computational Geometry, Carleton University, Ottawa, Canada, August 12-15, 1996. pages 211-216, Carleton University Press, 1996.
Abstract is missing.