Citation: Plasil, J.; Dusek, M.; Novak, M.; Cejka, J.; Cisarova, I.; Skoda, R. (2011). Sejkoraite-(Y), a new member of the zippeite group containing trivalent cations from Jachymov (St. Joachimsthal), Czech Republic: Description and crystal structure refinement. American Mineralogist, 96, pp. 983-991.