A. Lasenby, C. Doran, и S. Gull. (2004)cite arxiv:gr-qc/0405033Comment: 112 pages, 6 figures. Published in Phil. Trans. R. Soc. Lond. A 356, 487-582 (1998). Revised version with some corrections and improvements.
A. Lasenby, C. Doran, и S. Gull. Philosophical Transactions of the Royal Society of London A: Mathematical, Physical and Engineering Sciences, 356 (1737):
487--582(1998)
M. Beynon, и A. Cartwright. глава A Definitive Programming Approach to the Implementation of CAD Software, Springer-Verlag New York, Inc., New York, NY, USA, (1989)
J. Lasenby, S. Gamage, и M. Ringer. Algebraic Frames for the Perception-Action Cycle, том 1888 из Lecture Notes in Computer Science, Springer Berlin Heidelberg, (2000)
D. Hestenes, H. Li, и A. Rockwood. Geometric Computing with Clifford Algebras, глава New Algebraic Tools for Classical Geometry, Springer-Verlag, London, UK, UK, (2001)
E. Bayro corrochano, и J. Lasenby. Proceedings of Europe-China Workshop on Geometric Modeling and Invariants for Computer Vision, Ed. Roger Mohr and Wu Chengke, стр. 143--149. (1995)
A. Bobenko, и Y. Suris. (2006)cite arxiv:math/0608291Comment: 57 pages, 18 figures; In the second version the terminology is slightly changed and umbilic points are discussed.