1. R.C. Brays, in: D.P. Boyer (Ed.), The Enzymes, vol. XII, part B, Academic Press, New York, 1975, p. 300.
2. R. Hille, V. Massey, T.G. Spiro (Eds.), Molybdenum Enzymes, John Wiley and Sons, New York, 1985, pp. 443–518.
3. The inorganic biochemistry of molybdoenzymes
4. The Mononuclear Molybdenum Enzymes
5. Structure and function of molybdopterin containing enzymes