1. K. V. Rajagopalan , Sulfite Oxidase (Sulfite:Ferricytochrome c Oxidoreductase) , in Molybdenum and Molybdenum-Containing Enzymes , ed. M. P. Coughlan , Pergamon Press , Oxford, U.K. , 1st edn, 1980 , pp. 241–272
2. The reaction mechanism of oxomolybdenum enzymes