Zubkov, V., Tyutyunnik, A., Berger, I., Surat, L., Tarakina, N. V., Slobodin, B., et al. (2008). Synthesis and crystal structure of A4Ba(VO3)6compounds. Doklady Physical Chemistry, 421(2), 211-215. doi:10.1134/S0012501608080058.