Note 323 — Chapter XIII · THE TERBIUM GROUP
Reading edition
Annalen, 1892, 270, 376.
[324] Zeitsch. anorg. Chem. 1900, 22, 393.
[325] Compt. rend. 1900, 131, 343; ibid. 1901, 132, 1484.
[326] Ibid. 1905, 140, 583, etc.
[327] Zeitsch. anorg. Chem. 1905, 54, 374.