1. in Topics in bioelectrochemistry and bioenergetics, Vol. l (Ed: ), Wiley-Interscience, London 1976, p. 39.
2. in Bioelectrochemistry i, Vol. l (Eds: ), Plenum, New York 1983, p. 183.
3. in Topics in bioelectrochemistry and bioenergetics, Vol. 5 (Ed: ), Wiley-Interscience, Chichester 1983, p. 65.
4. in Wilson and wilson's comprehensive analytical chemistry, Vol. 27 (Ed: ), Eisevier, Amsterdam 1992, p. 143.
5. in Encyclopedia of analytical science, Vol. 6 (Ed: ), Academic Press, London 1995, p. 3600.