Musher, J.I. (1969). "The Chemistry of Hypervalent Molecules". Angewandte Chemie International Edition. 8 (1): 54–68. doi:10.1002/anie.196900541.
Perkins, C. W.; Martin, J. C.; Arduengo, A. J.; Lau, W.; Alegria, A.; Kochi, J. K. (1980). "An Electrically Neutral σ-Sulfuranyl Radical from the Homolysis of a Perester with Neighboring Sulfenyl Sulfur: 9-S-3 species". Journal of the American Chemical Society. 102: 7753–7759. doi:10.1021/ja00546a019.
iupac.org
goldbook.iupac.org
A. D. McNaught; A. Wilkinson, บ.ก. (1997). IUPAC. Compendium of Chemical Terminology. XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic, J. Jirat, B. Kosata; updates compiled by A. Jenkins (2nd the "Gold Book" ed.). Oxford: Blackwell Scientific Publications. ISBN0-9678550-9-8. {{cite book}}: แหล่งข้อมูลอื่นใน |others= (help)
