1. Ashcroft, N.W., Mermin, N.D.: Festkörperphysik, Oldenbourg, München 2001.
2. Kittel, Ch.: Introduction to Solid State Physics, 8th. Ed., John Wiley, Hoboken 2005.
3. Ohno, H., Yoshizawa, M., Mizumo, T. in: Electrochemical Aspects of Ionic Liquids (H. Ohno Ed.) Wiley-Interscience, Hoboken 2005, p.75.
4. Holze R.: Landolt-Börnstein: Numerical Data and Functional Relationships in Science and Technology, New Series, Group IV: Physical Chemistry, Volume 9: Electrochemistry, Subvolume A: Electrochemical Thermodynamics and Kinetics, W. Martienssen, M.D. Lechner, Eds., Springer-Verlag, Berlin 2007.
5. Hunklinger, S.: Festkörperphysik, Oldenbourg, München 2007.