1. M. M. Frocht: Photoelasticity. New York 1941.
2. D. J. Coolidge: An investigation of the mechanical and stress-optical properties of Columbia resin CR—39, Proc. Soc. exp. Stress Anal. Bd. 6 Nr. 1 (1948) S. 74/82.
3. C. E. Taylor, E. O. Stitz u.R. O. Belsheim: A casting material for three-dimensional photo-elasticity (Kriston). Proc. Soc. exp. Stress Anal. Bd. 7 Nr. 2 (1949) S. 155/72.
4. M. M. Leven: A new material for three-dimensional photoelasticity (Fosterite). Proc. Soc. exp. Stress Anal. Bd. 6 Nr. 1 (1948) S. 19/28.
5. B. Sugarman, G. O. Moxley u.I. A. Marshall: A castable polyester resin for photoelastic work. Brit. J. appl. Phys. Bd. 3 (1952) S. 233/37.