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, pàg. 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, pàg. 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, febrer 2019. [Consulta: 25 desembre 2020].