The Rare EarthsNote 390 — Chapter XIV · THE ERBIUM AND YTTERBIUM GROUPS—YTTRIUM AND SCANDIUMReading editionSee Monats. 1908, 29, 204.◇[391] Compt. rend. 1907, 145, 759.◇Copy noteReturn to CHAPTER XIV THE ERBIUM AND YTTERBIUM GROUPS—YTTRIUM AND SCANDIUMReturn to CHAPTER XIV THE ERBIUM AND YTTERBIUM GROUPS—YTTRIUM AND SCANDIUMReturn to CHAPTER XIV THE ERBIUM AND YTTERBIUM GROUPS—YTTRIUM AND SCANDIUM