Citation: Krivovichev, S.V.; Yakovenchuk, V.N.; Armbruster, T.; Pakhomovskii, Ya.A.; Depmeier, W. (2003). Crystal structure of the K, Ti analogue of ilimausite-(Ce), (Ba, K,Na, Ca)11-12 (REE, Fe, Th)4 (Ti, Nb)6 (Si6 O18)4 (O H)12 * 4.5(H2 O): revision of structure model and structural formula. Zeitschrift fuer Kristallographie (149,1979-), 218, pp. 392-396.