Dan Ashlock, “Index of Fractals” 2002
http://www.math.iastate.edu/danwell/homepage.html
Michael Frame, Benoit Mandelbrodt, Nial Neger, “Fractal Geometry” 2000
http://classes.yale.edu/fractals/
David E. Joyce, “Complex Numbers” 1999
http://www.clarku.edu/~djoyce/complex/
Martin Pergler, “Newton’s Method and Newton Basin Fractals” 11/25/1999
http://www.math.uchicago.edu/~pergler/genteach/newton/
Calculus Early Transcendentals Fourth Edition, p. 345, James Stewart,
Brooks/Cole Publishing Company, 1999