1. Mandelbrot, B. B. The Fractal Geometry of Nature (W. H. Freeman and Company, New York, 1982).
2. Chemistry and Physics of Fracture (eds Latanison, R. M. & Jones, R. H.) NATO ASI Series E130 (Martinus Nijhoff, 1987).
3. Atkins, A. G. & Mai, Y. W. Elastic and Plastic Fracture: Metals, Polymers, Ceramics, Composites, Biological Materials (Ellis Harwood, Chichester, 1983).
4. Ugelstad, J. et al. Adv. Colloid & Interface Sci. 13, 101–140 (1980).
5. Meakin, P. Thin Solid Films 151, 165–190 (1987).