Citation: Toda, K.; Ye, Z.-G.; Takahashi, M.; Teranishi, T.; Sato, M.; Hinatsu, Y. (1998). Synthesis and structure determination of reduced tantalates, Li2 LaTa2 O7, Li2 Ca2 Ta3 O10 and Na2 Ca2 Ta3 O10, with a layered perovskite structure. Journal of Materials Chemistry, 9, pp. 799-803.