Citation: Haeuseler, H.; Himmrich, M.; Cansiz, A.; Jung, M. (1988). Materials with layered structures: crystal structure of Zn1.25 In2.5 S3 Se2, a new polytype of Zn2 In2 S5 and the isotypic compounds Cd0.5 Ga2 In S5 and Hg0.8 Ga1.6 In1.2 S5. Journal of Solid State Chemistry, 74, pp. 171-175.