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2. F.A. Lewis, The Palladium–Hydrogen System, Academic Press, New York, 1967.
3. N.F. Mott, H. Jones, Theory of the Properties of Metals and Alloys, Dover Publications, New York, 1958.
4. Temperature coefficient of resistivity at compositions approaching PdH
5. G.H. Miley, G. Selvaggi, A. Tate, M. Okuniewski, M. Williams, D. Chicea, H. Hora, J. Kelly, in: Proceedings of the ICCF-8, Villa Marigola, Lerici (La Spezia), Italy, 2000, p. 169.