1. Fractals;Feder,1988
2. The Fractal Geometry of Nature;Mandelbrot,1982
3. Fractal Cities: A Geometry of Form and Function;Batty,1994
4. The size, scale and shape of cities;Batty;Science,2008
5. The fractal approach: A new tool for the spatial analysis of urban agglomerations;Frankhauser;Population: An English Selection,1998