STEPWISE REDUCTION OF SAMARIUM AND YTTERBIUM IN THE POLAROGRAPHIC REDUCTION PROCESS IN THE PRESENCE OF 1,4,7,10,13,16-HEXAOXACYCLOOCTADECANEYAMANA H; MITSUGASHIRA T; SHIOKAWA Y et al.1982; BULL. CHEM. SOC. JPN.; ISSN 0009-2673; JPN; DA. 1982; VOL. 55; NO 8; PP. 2615-2617; BIBL. 10 REF.Article

COMPLEXATION OF THE LANTHANIDE IONS BY 4,4'(5')-DI-TERT-BUTYLBENZO-18-CROWN-6 IN PROPYLENE CARBONATE AND STABILIZATION OF THE DIVALENT OXIDATION STATE OF SAMARIUM AND YTTTERBIUMMASSAUX J; DESREUX JF; DELCHAMBRE C et al.1980; INORG. CHEM.; USA; DA. 1980; VOL. 19; NO 7; PP. 1893-1896; BIBL. 17 REF.Article