1. Fractals take a central place;Arlinghaus;Geografiska Annaler B,1985
2. Cities as fractals: simulating growth and form;Batty,1991
3. Urban shapes as fractals;Batty;Area,1987
4. Fractal cities: a geometry of form and function;Batty,1994
5. When and where is a city fractal?;Benguigui;Environment and Planning: Planning and Design,2000