ArticleSpectra and Energy Levels of Rare Earth Ions in CrystalsG. H. Dieke·R. A. Satten·1970·enABIABI:AkademIndex/openalex/2026.other.170450CiteAbstractFirst PageIdentifiersDOI10.1119/1.1976350Citations and referencesCited by 30 referencesMetrics — AkademScholar