1. E. Fermi, Nuclear Physics (University of Chicago Press, 1950). ISBN: 978-0226243658, formula VIII.2
2. P.Y. Yu, M. Cardona, Fundamentals of Semiconductors: Physics and Materials Properties, 4th edn. (Springer, New York, 2010), p. 260
3. See for example, H.C. Ohanian, J.C. Markert, Physics for Engineers and Scientists, 3rd edn. (Norton, New York, 2007), p. 1093
4. F. Wooten, Optical Properties of Solids (Academic Press, New York, 1972), pp. 82, 121, 239
5. Note that [2, pp. 243–275, 4, pp. 110–122] provide derivations of the dielectric function from Fermi’s Golden Rule. It is useful to remember that the unit systems are different in these derivations