Citation: Pocha, R.; Tampier, M.; Hoffmann, R.D.; Johrendt, D.; Mosel, B.D.; Poettgen, R. (2003). Crystal structures and properties of the thiostannates Eu2 Sn S4 and Sr2 Sn S4 and the selenogermanate gamma-(Sr2 Ge Se4). Zeitschrift fuer Anorganische und Allgemeine Chemie, 629, pp. 1379-1384.