Infrared spectra and lattice vibrations of the spin-chain compound LiCuVO4B. Gorshunov, P. Haas, M. Dressel, V. I. Torgashev, V. B. Shirokov, A. V. Prokofiev and W. AssmusEur. Phys. J. B, 23 4 (2001) 427-435DOI: https://doi.org/10.1007/s100510170033