Cristallization of complex phosphates from molten salts systems K 2O–P2O5–Fe2O3–MIIO–K2Mo2O (MII — Mg, Co, Ni, Cu, Zn) - M. M. Jatskin; Ju. Strutinskaja; N. S. Slobodjanik; I. V. Zatovskij; V. N. Baumer (Ukrainian Chemistry Journal, 2013)