1. Fractal dimensions of landscapes and other environmental data;Burrough;Nature,1981
2. Computer rendering of stochastic models;Fournier;Comm. of the ACM,1982
3. The fractional Brownian process as a terrain simulation model;Goodchild,1982
4. Fractals: form, chance and dimension;Mandelbrot,1977
5. The fractal geometry of nature;Mandelbrot,1982