McCormack, W. B.; Lawes, B. C. "Sulfuric and sulfurous esters" Kirk-Othmer Encycl. Chem. Technol., 3rd Ed. (1983), 22, 233-54.doi:10.1002/0471238961.1921120613030315.a01
van Woerden, H. F. (1963). "Organic Sulfites". Chemical Reviews. 63 (6): 557–571. doi:10.1021/cr60226a001.