1. J.M. Walshe, in: J. Peisach, P. Aisen, W.E. Plumberg, (Eds.), The Biochemistry of Copper, Academic Press, New York, 1966, p. 475.
2. M.C. Linder, Biochemistry of Copper, Plenum Press, New York, 1991.
3. W. Hoffmann, Rubber Technology Handbook, Hanser, Münich, 1989.