V.V. Eremenko, S.L. Gnatchenko, I.S. Kachur, V.G. Piryatinskaya, A.M. Ratner, V.V. Shapiro, M.B. Kosmyna, B.P. Nazarenko, and V.M. Puzikov, Photoinduced absorption and anomalous dichroism in NaCa₂Mn₂V₃O₁₂ garnet as an evidence for the formation of oxygen holes dynamics, Low Temp. Phys. 31, (2005) [Fiz. Nizk. Temp. 31, 1293-1301, (2005)] DOI: https://doi.org/10.1063/1.2127891.