Citation: Ogorodnyk, Ivan V.; Baumer, Vyacheslav N.; Zatovsky, Igor V.; Slobodyanik, Nikolay S.; Shishkin, Oleg V.; Domasevitch, Konstantin V. (2007). Equilibrium langbeinite-related phosphates Cs~1+x~Ln~x~Zr~2{-~x}(PO~4~)~3~ (Ln = Sm--Lu) in the melted systems Cs~2~O--P~2~O~5~--LnF~3~--ZrF~4~. Acta Crystallographica Section B, 63, pp. 819-827.