Titov Yu. А., M. S. Slobodyanik, and V. V. Chumak. 2024. “Compounds Sr2Ln4Ti2Ta4O22 (Ln = La, Pr) With Heteroblock Slab Perovskite-Like Structure”. Reports of the National Academy of Sciences of Ukraine, no. 2 (September). Kyiv, Ukraine:96-100. https://doi.org/10.15407/dopovidi2016.02.096.