Smith, R. E.«Diatomic Hydride and Deuteride Spectra of the Second Row Transition Metals».Proceedings of the Royal Society of London. Series A, Mathematical and Physical Sciences,332,1588,1973,p.113–127. Bibcode: 1973RSPSA.332..113S. DOI: 10.1098/rspa.1973.0015.
Smith, R. E.«Diatomic Hydride and Deuteride Spectra of the Second Row Transition Metals».Proceedings of the Royal Society of London. Series A, Mathematical and Physical Sciences,332,1588,1973,p.113–127. Bibcode: 1973RSPSA.332..113S. DOI: 10.1098/rspa.1973.0015.
«Scandium Statistics and Information»(en anglès). National Minerals Information Center. U.S. Geological Survey,01-02-2019.[Consulta: 25 desembre 2020].