Citation: Mrotzek, Antje; Iordanidis, Lykourgos; Kanatzidis, Mercouri G. (2001). Cs1--xSn1--xBi9+xSe15 and Cs1.5--3xBi9.5+xSe15: members of the homologous superseries Am[M1+lSe2+l]2m[M1+2l+nSe3+3l+n] (A = alkali metal, M = Sn and Bi) allowing structural evolution in three different dimensions. Chemical Communications, , pp. 1648-.