1. “New anion-conducting solid solutions Bi1-xTex(O,F)2+ (x > 0.5) and glassceramic material on their base”. Prituzhalov VA, Ardashnikova EI, Vinogradov AA, Dolgikh VA, Videau J-J, Fargin E, Abakumov AM, Tarakina NV, Van Tendeloo G, Journal of fluorine chemistry 132, 1110 (2011).   http://doi.org/10.1016/j.jfluchem.2011.06.042