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  1. P. Bose, M.F. Gomez, P. Ramos, G. Toussaint, "Drawing nice Projections of Objects in Space", Proceedings of Graph Drawing'95, Passau, Germany, September 1995, pp. 52-63.
  2. F. Gomez, F. Hurtado, J.A. Sellares, G. Toussaint, "On Degeneracies Removable by Perspective Projections" International Journal of Mathematical Algorithms, Vol. 2, 2001, pp. 227-248.
  3. Franco P. Preparata, Michael Ian Shamos, Computational geometry : an introduction. Published by Springer-Verlag, c1985.
  4. Yousef Farasat's project: Polygonal chain Approximation (for the applet)

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