The Rare EarthsNote 593 — Chapter XXI · OTHER TECHNOLOGICAL USES OF THE CERIUM AND YTTRIUM ELEMENTS, ZIRCONIUM AND THORIUMReading editionVide Baumhauer, Zeitsch. angew. Chem. 1910, 23, 2065.◇Copy noteReturn to CHAPTER XXI OTHER TECHNOLOGICAL USES OF THE CERIUM AND YTTRIUM ELEMENTS, ZIRCONIUM AND THORIUM