{{cite journal|last=Knight|first=L. B.|coauthors=Wise, M. B.; Fisher, T. A.; Steadman, J.|date=15 June1981|title=The high temperature generation and ESR investigation of ScH2, YH2, and YD2 radicals in rare gas matrices: A nonequilibrium vaporization technique for solid samples|journal=The Journal of Chemical Physics|volume=74|issue=12|pages=6636–6643|issn=00219606|doi=10.1063/1.441110}}