Fractal model of the atom and some properties of the matter through an extended model of scale relativityM. Agop, P. E. Nica, P. D. Ioannou, A. Antici and V. P. PaunEur. Phys. J. D, 49 2 (2008) 239-248DOI: https://doi.org/10.1140/epjd/e2008-00161-8