1. (a) J. Chamber, in: A. Bard, H. Lund (Eds.), Encyclopaedia of Electrochemistry of the elements (organic section) vol. 12, Marcel Dekker, New York, 1978, p. 329.
2. (b) B. Coleman, R. Glass, W. Seltzer, U. Prabhu, G. Wilson, Adv. Chem. Ser. 201 (1982) 417.
3. (c) B. Svensmark, O. Hammerich, in: H. Lund, M. Baizer (Eds.), Organic Electrochemistry, Marcel Dekker, New York, 1991, p. 659.
4. (a) P. Cottrell, C. Mann, J. Electrochem. Soc. 116 (1969) 1499.
5. (b) J. Yoshida, H. Sofuhu, N. Kawabata, Bull. Chem. Soc. Jpn. 56 (1983) 1243.