1. C.P. Smyth, ‘Dielectric Behaviour and Structure’ (McGraw-Hill, New York) 1955.
2. C.J.F. Bottcher, ‘Theory of Electric Polarization’, 1st Ed. (Elsevier) 1952, 2nd Ed. 1973.
3. N.E. Hill, W.E. Vaughan and A.H. Price, ‘Dielectric Properties and Molecular Behaviour’ (Van Nostrand, New York) 1969.
4. N.G. McCrum, B.E. Read and G. Williams, ‘Anelastic and Dielectric Effects in Polymeric Solids’. (John Wiley, New York) 1967.
5. A. Abragam, ‘Principles of Nuclear Magnetism’, (Oxford Univ. Press) 1961.