1. Elastic stress intensity factors evaluated by caustics;Theocaris,1981
2. Shadow optical method of caustics;Kalthoff,1987
3. An approximate three-dimensional theory of plates with application to crack problems;Hartranft;Int. J. Engng Sci.,1970
4. Three-dimensional photoelasticity: stress distribution around a through thickness crack;Villarreal,1981
5. Use of three-dimensional photoelasticity and progress in related areas;Smith,1975