1. Electronic Processes in Organic Crystals and Polymers;Pope,1999
2. Organic Molecular Solids;Schwoerer,2007
3. Deviations from Ohm's Law in Weak Electrolytes
4. L. Onsager, PhD Thesis, Yale University 1935 (also available in: The collected works of Lars Onsager, World Scientific, Singapore 1996).
5. Initial Recombination of Ions