The Rare EarthsNote 366 — Chapter XIV · THE ERBIUM AND YTTERBIUM GROUPS—YTTRIUM AND SCANDIUMReading editionIbid. 1886, 102, 1003.◇[367] Ibid. 1906, 142, 785.◇Copy noteReturn to CHAPTER XIV THE ERBIUM AND YTTERBIUM GROUPS—YTTRIUM AND SCANDIUMReturn to CHAPTER XIV THE ERBIUM AND YTTERBIUM GROUPS—YTTRIUM AND SCANDIUM