1. B. B. Mandelbrot,The Fractal Geometry of Nature (Freeman, San Francisco, 1982).
2. A. Aharony and J. Feder, eds., Fractals in Physics, Essays in honour of B. B. Mandelbrot,Physica D 38 (1989), and references therein.
3. T. Vicskek, M. Shlesinger, and M. Matsushita, eds.,Fractals in Natural Sciences (World Scientific, Singapore, 1994), and references therein.
4. P. Goupillaud, A. Grossmann, and J. Morlet,Geoexploration 23:85 (1984).
5. A. Grossmann and J. Morlet,SIAM J. Math. Anal. 15:723 (1984); inMathematics and Physics, Lectures on Recent Results, L. Streit, ed. (World Scientific, Singapore, 1985).