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↑(ütjden faan) David R. Lide: CRC Handbook of Chemistry and Physics. 90. aplaag. (uun't näät: 2010), CRC Press/Taylor and Francis, Boca Raton, FL, Properties of the Elements and Inorganic Compounds, S.4-142–4-147. Wäärser uun g/mol an cgs-ianhaiden. Heer amreegent tu SI-wäärs.
12Yiming Zhang, Julian R. G. Evans, Shoufeng Yang: Corrected Values for Boiling Points and Enthalpies of Vaporization of Elements in Handbooks. Uun: Journal of Chemical & Engineering Data. 56, 2011, S.328–337, doi:10.1021/je1011086.