PHYSICAL-CHEMICAL STUDY OF YTTERBIUM DIIODIDE INTERACTION WITH ALKALI-METAL IODIDES IN FUSIONS ArticleMOLODKIN A.K., KARAGODINA A.M., DUDAREVA A.G., NECHITAILOV S.B., EZHOV A.I.Russian Journal of Inorganic Chemistry. Vol. 32. 1987. P.. 1270-1271