Infrared transmission study of Pr2CuO4 crystal-field excitations G. Riou, S. Jandl, M. Poirier, V. Nekvasil, M. Diviš, P. Fournier, R. L. Greene, D. I. Zhigunov and S. N. Barilo Eur. Phys. J. B, 23 2 (2001) 179-182 Published online: 15 September 2001 DOI: 10.1007/s100510170066