1. Oxygen and Oxy-Radicals in Chemistry and Biology (eds.) Rodger, M. A. J., Powers, E. L., New York, Academic Press 1981.
2. Sawyer, D. T., Valentine, J. S.: Acc. Chem. Res. 14, 393 (1981).
3. Sawyer, D. T., Nanni, Jr., E. J.: Redox Chemistry of Dioxygen Species and Their Chemical Reactivity. In: Oxygen and Oxy-Radicals in Chemistry and Biology (eds.) Rodgers, M. A. J., Powers, E. L., New York, Academic Press 1981.
4. Correa, P. E., Riley, D. P.: J. Org. Chem. 50, 1787 (1985).
5. Manring, L. E., Foote, C. S.: J. Phys. Chem. 86, 1257 (1982).