Archilla, J.F.R., Kosevich, Y.A., Jimenez, N., S´anchez-Morcillo, V.J. and Garc´ia-Raffi, L.M. 2018. Moving Excitations in Cation Lattices. Ukrainian Journal of Physics. 58, 7 (Oct. 2018), 646. DOI:https://doi.org/10.15407/ujpe58.07.0646.