Note 394 — Chapter XIV · THE ERBIUM AND YTTERBIUM GROUPS—YTTRIUM AND SCANDIUM
Reading edition
Sitzungsber. kaiserl. Akad. Wiss. Wien, 1899, 108, IIa, 1123.
[395] Ibid. 1910, 119, IIa, 3.
Reading edition
Sitzungsber. kaiserl. Akad. Wiss. Wien, 1899, 108, IIa, 1123.
[395] Ibid. 1910, 119, IIa, 3.