Cooperative Jahn-Teller effect in a 2D mesoscopic C60n- system with D5d symmetry adsorbed on buffer layers using Ising EFT modelM. Abou Ghantous, E.A. Moujaes, J.L. Dunn and A. KhaterEur. Phys. J. B, 85 6 (2012) 178DOI: https://doi.org/10.1140/epjb/e2012-30172-5