Kosterlitz-Thouless vs. Ginzburg-Landau description of 2D superconducting fluctuations L. Benfatto, A. Perali, C. Castellani and M. Grilli Eur. Phys. J. B, 13 4 (2000) 609-612 Published online: 15 February 2000 DOI: 10.1007/s100510050076