S. Herrmann, A. Jensen, M. Joswig, и B. Sturmfels. (2008)cite arxiv:0808.2383
Comment: 21 pages, 10 figures; rewritten proof of Theorem 4.4 (which was
Theorem 4.3 before) for clarification, several other minor corrections.
M. Develin, F. Santos, и B. Sturmfels. In "Discrete and Computational Geometry" (E. Goodman, J. Pach and E. Welzl, eds), MSRI Publications, Cambridge Univ. Press, 2005. ISBN-10: 0521848628, (2003)cite arxiv:math/0312114
Comment: 20 pages, 1 figure.