'Fractal geometry addressesitselfto questions that many people have been asking themselves. It con- cerns an aspect of Nature that almost everybody had been conscious of, but could not address in a formal fashion. ' 'Fractal geometry seems to be the proper language to describe the complezity of many very compli- cated shapes around us. ' (Mandelbrot, 1990a) 'I believe that fractals respond to a profound un- easiness in man. ' (Mandelbrot, 1990b) The...