1. E. Krauthausen, in: Methoden der Organischen Chemie, vol. E-11, Part 1, Houben-Weyl, Georg Thieme, Stuttgart, 1985, pp. 618–663. This reference is a general review of the subject to 1985.
2. K. Schank, in: [E. Krauthausen, in: Methoden der Organischen Chemie, vol. E-11, Part 1, Houben-Weyl, Georg Thieme, Stuttgart, 1985], p. 1074, pp. 1143–1164.
3. A. Schöberl, A. Wagner, Methoden der Organischen Chemie, vol. IX, 4th ed., Georg Thieme, Stuttgart, 1955, pp. 231–296.
4. The Preparation of Sulfinic Acids.
5. S. Oae (Ed.), Organic Chemistry of Sulfur, Chapters 4, 7 and 11, Plenum Press, New York, 1977.