Breather trapping and breather transmission in a DNA model with an interfaceA. Alvarez, F. R. Romero, J. F.R. Archilla, J. Cuevas and P. V. LarsenEur. Phys. J. B, 51 1 (2006) 119-130DOI: https://doi.org/10.1140/epjb/e2006-00191-0