1. Kolwankar KM. Studies of fractal structures and processes using methods of fractional calculus. PhD thesis, University of Pune, India, 1998
2. The fractal geometry of nature;Mandelbrot,1982
3. Fractals and fractional calculus in continuum mechanics,1997
4. The fractal nature of slip in crystals;Kleiser;Zeitschrift für Metallkunde,1986
5. Physics of fracture and mechanics of self-affine cracks;Balankin;Eng. Fracture Mech.,1997