System size stochastic resonance in driven finite arrays of coupled bistable elements M. Morillo, J. Gómez-Ordóñez and J. M. Casado Eur. Phys. J. B, 74 2 (2010) 211-215 Published online: 09 March 2010 DOI: 10.1140/epjb/e2010-00084-7