Citation: Nikolay S. Abramchuk; Wilder Carrillo-Cabrera; Igor Veremchuk; Niels Oeschler; Andrei V. Olenev; Yurii Prots; Ulrich Burkhardt; Evgeny V. Dikarev; Yuri Grin; Andrei V. Shevelkov (2012). Homo- and Heterovalent Substitutions in the New Clathrates I Si30P16Te8-xSex and Si30+xP16-xTe8-xBrx: Synthesis, Crystal Structure, and Thermoelectric Properties. Inorganic Chemistry, 51, pp. 11396-11405.