1. P. Ball, The Self-Made Tapestry: Pattern Formation in Nature, Oxford University Press, Oxford, 1998. ∗
2. S. Hyde, S. Andersson, K. Larsson, Z. Blum, T. Landh, S. Lidin, B.W. Ninham, The Language of Shape; The Role of Curvature in Condensed Matter: Physics, Chemistry and Biology, Elsevier, Amsterdam, 1997. ∗
3. J.C. Russ, The Image Processing Handbook, CRC Press, Florida, 1995. ∗
4. K.R. Castleman, Digital Image Processing, Prentice-Hall, Englewood Cliffs, 1996. ∗
5. R.C. Gonzalez, R.E. Woods, Digital Image Processing, Addison-Wesley, Reading, MA, 1993. ∗