Infrared spectra and lattice vibrations of the spin-chain compound LiCuVO4 B. Gorshunov, P. Haas, M. Dressel, V. I. Torgashev, V. B. Shirokov, A. V. Prokofiev and W. Assmus Eur. Phys. J. B, 23 4 (2001) 427-435 Published online: 15 October 2001 DOI: 10.1007/s100510170033