The percolation staircase model and its manifestation in composite materialsI. Balberg, D. Azulay, Y. Goldstein, J. Jedrzejewski, G. Ravid and E. SavirEur. Phys. J. B, 86 10 (2013) 428DOI: https://doi.org/10.1140/epjb/e2013-40200-7