Media type: Article Title: Lanthan : Zer; Praseodym; Neodym; Promethium; Samarium; Europium; Gadolinium; Terbium; Dysprosium; Holium; Erbium; Thulium; Ytterbium; Lutetium Contributor: Stanzo, W. W. [Author] imprint: 1976 Published in: Bausteine der Erde ; 3: Die chemischen Elemente Antimon - Wismut ; 1976 Language: German Origination: Footnote: