Appendix References A.1 Books, Periodicals, and Papers Abelson, H., & Sussman, G. J. (1996). Structure and interpretation of computer programs (2nd ed.). Cambridge, MA: MIT Press. Buckley, J. J., & Eslami, E. (2002). An introduction to fuzzy logic and fuzzy sets. Berlin/New York: Springer-Verlag. Eberly, D. (2003). Conversion of left-handed coordinates to right-handed coordinates. <http://www .geometrictools.com/Documentation/LeftHandedToRightHanded.pdf>. Accessed 2008.