↑S. J. Rettig, J. Trotter: Refinement of the Structure of Orthorhombic Sulfur, α-S8. Uun: Acta Crystallographica Section C. Band 43, 1987, S. 2260–2262, doi:10.1107/S0108270187088152.
↑(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.
↑ 9,09,1Yiming 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.
↑Iindraanj tu Schwefel uun't GESTIS-dootenbeenk faan't IFA, ufrepen di 9. August 2016 (mä JavaScript).