Infrared transmission study of Pr2CuO4 crystal-field excitationsG. Riou, S. Jandl, M. Poirier, V. Nekvasil, M. Diviš, P. Fournier, R. L. Greene, D. I. Zhigunov and S. N. BariloEur. Phys. J. B, 23 2 (2001) 179-182DOI: https://doi.org/10.1007/s100510170066