1. V. K. Trunov, V. A. Efremov, and Y. A. Velikodnyi. Kristallokhimiya i svoistva dvoinykh molibdatov i volframatov (Crystal Chemistry and Properties of Double Molybdates and Tungstates). Leningrad: Nauka, 1986. [In Russian]
2. A. A. Evdokimov, V. A. Efremov, V. K. Trunov, I. A. Kleiman, and I. V. Tananaev. Soedineniya redkozemelnykh elementov. Molibdaty, volframaty (Compounds of Rare Earth Elements. Molybdates, Tungstates). Moscow: Nauka, 1991. [In Russian]
3. V. A. Isupov. Ferroelectrics, 2005, 321, 63. https://doi.org/10.1080/00150190500259699
4. N. M. Kozhevnikova and M. V. Mokhosoev. Troinye molibdaty (Triple Molybdates). Ulan-Ude: Buryatskii Gos. Univ., 2000. [In Russian]
5. E. G. Khaikina, S. F. Solodovnikov, O. M. Basovich, Z. A. Solodovnikova, Y. M. Kadyrova, A. A. Savina, E. S. Zolotova, V. N. Yudin, and T. S. Spiridonova. Chim. Techno Acta, 2015, 4, 356. https://doi.org/10.15826/chimtech.2015.2.4.032