Vasnetsov, M. V., V. Y. Bazhenov, V. V. Ponevchinsky, D. O. Plutenko, A. D. Kudryavtseva, and N. V. Tcherniega. “Temporal Characteristics of Afterglow in Artificial Opal”. Ukrainian Journal of Physics, vol. 61, no. 9, Jan. 2019, p. 795, doi:10.15407/ujpe61.09.0795.