1. N. F. Mott, Phil. Mag. 13: 989 (1966).
2. See, for example, N. F. Mott and E. A. Davis, “Electronic Processes in Non-Crystalline Materials” (Clarendon, Oxford, 1979), second edition.
3. N. F. Mott, Adv. Physics16: 49 (1967).
4. N. F. Mott, Phil. Mag. 24: 1 (1971).
5. J.V. Acrivos and N.F. Mott, Phil. Mag. 24: 19 (1971).