Nonmonotonic size dependence of the critical concentration in 2D percolation of straight rigid rods under equilibrium conditionsD.A. Matoz-Fernandez, D.H. Linares and A.J. Ramirez-PastorEur. Phys. J. B, 85 9 (2012) 296DOI: https://doi.org/10.1140/epjb/e2012-30389-2