References
- Cranz, C, and Schardin, H., Zeiis. f. Phys., 56, 147-83, 1929.
- J. Sue. Mul. Pill. Engrs., 61, 749-57, 1953.
- Christie, D. G., Trims. Soc. Glass Tech., 36, 74-89, 1952.
- Schardin. H., Glaslechn. Ber., 23, No. I, 1-10, 1950.
- Coker. E. G. and Filon, L. N. G., “Treatise on Photoelasticity” University Press, Cambridge, 1931.
- Frocht, M. M., “Photoelasticity”, Wiley. New York, 1941.