1. B.C.H. Steele in W. Van Gool (Ed.), Fast Ion Transport in Solids, North Holland, Amsterdam, 1973, p
2. B.C.H. Steele in G.R. Belton and W.L. Worrell (Eds.), Heterogeneous Kinetics at Elevated Temperatures, Plenum, New York, 1970, p. 135.
3. J. Hladik (Ed.), Physics of Electrolytes Volumes1 and 2, Academic, New York, 1972.
4. H. Rickert, Einfuhrung in die Elektrochemie fester Stoffe, Springer, Berlin, 1973.
5. F. A. Kroger, The Chemistry of Imperfect Crystals Volume 3, North Holland, Amsterdam, 1974.