1. The fractal geometry of nature;Mandelbrot,1983
2. How long is the coast of Britain? Statistical self-similarity and fractional dimension;Mandelbrot;Science,1967
3. The beauty of fractals: images of complex dynamical systems;Peitgen,1986
4. The science of fractal images;Barnsley,1988
5. Lightning and the heart: fractal behaviour in cardiac function;Bassingthwaighte;Proc IEEE,1988