SOLUBILITY OF THULIUM, YTTERBIUM AND LUTECIUM HYDROXIDES IN POTASSIUM HYDROXIDE SOLUTIONS ArticleIVANOVEMIN B.N., MALYUGINA S.G., BORZOVA L.D., DOLGANEV V.P., ZAITSEV B.E., EGOROV A.M.Russian Journal of Inorganic Chemistry. Vol. 21. 1976. P.. 1208-1213
SCANDIUM, YTTRIUM AND LANTHANUM SULFITES ArticleMOSKALENKO V.I., VARFOLOMEEV M.B., MOLODKIN A.K., PETROV K.I.Russian Journal of Inorganic Chemistry. Vol. 21. 1976. P.. 1508-1512