Pictures of Julia and Mandelbrot Sets/References

Almost all the theorems and formulas in this Wikibook can be found in:
 * Peitgen & Richter: The Beauty of Fractals, Springer-Verlag 1986 ISBN 0-387-15851-0.

See also these Wikipedia articles:
 * Julia set
 * Mandelbrot set
 * Attractor

For the statement in the Postscript, see this article:
 * The Sad Fate of the Fractals