Gilman, Henry; Smith, Lloyd E.; Parker, Harold H. THE CONSTITUTION OF DISULFOXIDES. Journal of the American Chemical Society (American Chemical Society (ACS)). 1925, 47 (3): 851–860. ISSN 0002-7863. doi:10.1021/ja01680a037.
Gilman, Henry; Smith, Lloyd E.; Parker, Harold H. THE CONSTITUTION OF DISULFOXIDES. Journal of the American Chemical Society (American Chemical Society (ACS)). 1925, 47 (3): 851–860. ISSN 0002-7863. doi:10.1021/ja01680a037.