1. R.C. Bray, in: D.P. Boyer (Ed.), The Enzymes, Vol. XII, Part B, Academic Press, New York, 1975, pp. 300–419.
2. R. Hille and V. Massey, in: T.G. Spiro (Ed.), Molybdenum Enzymes, John Willey 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