. . "Benoit Mandelbrot, fractal geometry" . . . . "The Alphabet of shapes Benoit Mandelbrot, fractal geometry" . . . . . . . . . . "Benoit Mandelbrot explains fractals by using ordinary objects and occurrences in Paris and in various U.S. locations."@en . "Benoit Mandelbrot and fractal geometry"@en . "Benoit Mandelbrot explains fractals by using ordinary objects and occurrences in Paris and in various U.S. locations." . "The Alphabet of shapes Benoit Mandelbrot and fractal geometry"@en . . . .