1. Physical Properties of Crystals, Oxford University Press, London 1957 (p. 189).
2. Structure — Property Relations, Springer-Verlag, New York 1975.
3. Electrostatic measurements of tertiary pyroelectricity in partially clamped LiNbO3
4. Landolt-Börnstein, New Series, Ferro- and Antiferroelectric Materials, Vol. III/3, 1973, Vol. III/5, 1975;
5. Numerical Data and Functional Relationships in Science and Technology, Vol. 11, 1978, Ed. H. Hellwege.