rystallization of self-fluxes of the system K2O−P2O5−MeIII 2 O3−MeIIO (MeIII Al, Bi; MeII Mg, Ca, Sr, Co, Ni, Zn) - Yu. Strutynska; O. V. Livitska; I. V. Zatovskyi; M. S. Slobodianyk (Reports of the National Academy of Sciences of Ukraine, 2015)