Optical properties of the charge-density-wave polychalcogenide compounds R 2Te 5 (R=Nd, Sm and Gd)F. Pfuner, L. Degiorgi, K. Y. Shin and I. R. FisherEur. Phys. J. B, 63 1 (2008) 11-16DOI: https://doi.org/10.1140/epjb/e2008-00205-y