Modulational instability in the anharmonic Peyrard-Bishop model of DNA C. B. Tabi, A. Mohamadou and T. C. Kofane Eur. Phys. J. B, 74 2 (2010) 151-158 Published online: 23 February 2010 DOI: 10.1140/epjb/e2010-00062-1