1. Williams, C.H. in “The Enzymes”, 3rd. Ed. (Boyer, P.D., Ed.) 13, 89–173 (1976) (Review)
2. Schirmer, R.H., Krauth-Siegel, R.L., Schulz, G.E. in “Coenzymes Cofactors” (Pt. A) 3, 553–596 (1989) (Review)
3. Colman, R.F.: Methods Enzymol., 17, 500–503 (1971) (Review)
4. Williams, C.H., Arscott, L.D.: Methods Enzymol., 17, 503–509 (1971) (Review)
5. Carlberg, I., Mannervik, B.: Methods Enzymol., 113, 484–490 (1985) (Review)