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- [4] DOUBLE AMMONIUM OXALATES OF THE RARE EARTHS AND YTTRIUMJOURNAL OF INORGANIC & NUCLEAR CHEMISTRY, 1964, 26 (06): : 931 - 936BARRETT, MFMCDONALD, TRRTOPP, NE
- [5] Separation of praseodym and terbium from the aggregate of rare earthsANGEWANDTE CHEMIE, 1939, 52 : 536 - 537Beck, G
- [6] Observations on the rare earths, XI: The arc spectrum of yttriumJOURNAL OF THE OPTICAL SOCIETY OF AMERICA AND REVIEW OF SCIENTIFIC INSTRUMENTS, 1922, 6 (02): : 121 - 134Yntema, LFHopkins, BS
- [7] Observations on the rare earths XXXIIIa The basicity of illinium and yttriumJOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1933, 55 : 3121 - 3123Hughes, GHopkins, BS
- [8] Observations on the rare earths IX The atomic weight of yttriumJOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1919, 41 : 718 - 721Kremers, HCHopkins, BS
- [9] Observations on the rare earths XXVIII The separation of ceriumJOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1928, 50 : 955 - 958Neckers, JWKremers, HC