Citation: Ferraris, G.; Gula, A.; Zubkova, N. V.; Pushcharovsky, D. Y.; Gobetchiya, E. R.; Pekov, I. V.; Eldjarn, K. (2004). The crystal structure of ilimaussite-(Ce), (Ba,Na)10K3Na4.5Ce5(Nb,Ti)[Si12O36][Si9O18(O,OH)24]O6, and the "ilimaussite" problem. The Canadian Mineralogist, 42, pp. 787-795.