1. Jonscher, A.K.: Dielectric Relaxation in Solids. Chelsea Dielectric press (1983)
2. Jonscher, A.K.: Universal Relaxation Law. Chelsea Dielectrics Press (1996)
3. Kramers, H.A.: La diffusion de la lumiere par les atomes (1927)
4. Kronig, R.D.L.: On the theory of dispersion of x-rays. JOSA 12, 547–557 (1926)
5. Debye, P.: Some results of kinetic theory of isolators. Preliminary announcement. Physikalische Zeitschrift 13, 97–100 (1912)