Y. Titov, N. Belyavina, and V. Chumak, “Structural features of the interblock boundary in the twoslab structure of compounds of the AIILn2B2 IIIO7 (AII = Sr, Ba, Ln, BIII = Al, Fe, Sc, In) type”, Dopov. Nac. akad. nauk Ukr., no. 3, pp. 78–85, Jul. 2021.