1. A. Fontana and E. Scoffone, this series Vol. 25, p. 482 (1972).
2. The Chemistry and Biochemistry of the Sulfhydryl Group in Amino Acids, Peptides and Proteins;Friedman,1973
3. Sulfhydryl and Disulfide Groups of Proteins;Torchinskii,1974
4. Biochemistry of the SH Group;Jocelyn,1972