1. J.B. Bassingthwaighte, L.S. Liebovitch and B.J. West, Fractal Physiology, Oxford University Press, Oxford (1994).
2. E.W. Montroll and B.J. West, in Fluctuation Phenomena, edited by E.W. Montroll and J.L. Lebowitz, North-Holland Personal Library, 1st Edition (1979)
3. E.W. Montroll and B.J. West, in Fluctuation Phenomena, edited by E.W. Montroll and J.L. Lebowitz, North-Holland Personal Library, 2nd Edition (1987).
4. B.B. Mandelbrot, Fractals: Form, Chance and Dimension, W.H. Freeman and Co., San Francisco (1977).
5. P. Allegrini, M. Barbi, P. Grigolini and B.J. West, Dynamical model for DNA sequences, Phys. Rev. E 52, 5281 (1995).