1. Maren, T.H. Physiol. Rev. 1967, 47, 595.
2. Lindskog, S. Adv. Inorg. Biochem. 1982, 4, 115.
3. Lindskog, S.; Henderson, L.E.; Kannan, K.K.; Liljas, A.; Nyman, P.O.; Strandberg, B. in “The Enzymes”, Vol. 5, Boyer, P.D., Ed., Academic Press: New York, 1971, 587.
4. Lindskog, S.; Ibrahim, S.A.; Jonsson, B.-H.; Simonsson, J. in “The Coordination Chemistry of Metalloenzymes”, Bertini, I.; Drago, R.S.; Luchinat, C, Eds., D. Reidel Co,, Dordrecht, Holland, 1983, 49.
5. Silverman, D.; Vincent, S.H. CRC Crit. Rev. Biochem. 1983, 14, 207.