1. M.M. Frocht: Photoelasticity (John Wiley & Sons, New York, 1941, 1948) Vol. I & II.
2. A.J. Durelli and W.F. Riley: Introduction to Photomechanics (Prentice-Hall, Englewood Cliffs, NJ, 1965).
3. A. Kuske and G. Robertson: Photoelastic Stress Analysis (John Wiley & Sons, New York, 1974).
4. J.F.S. Gomes: Photoelasticity, Optical Metrology, ed. O.D.D. Soares (Martinus Nijhoff Publishers, Dordrecht, 1987) p. 677.
5. K. Oka and Y. Ohtsuka: Exp. Mech. 33 (1993) 44.