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2. “Measurements of the Curvature of Stress Trajectories in Photoelastic Models”;BROWN;Brit. J. Appl. Phys.,1951
3. “Photoelastic Determination of Free Boundary Stresses on Frozen Stress Models by an Oblique Incidence Method”;HICKSON;Brit. J. Appl. Phys.,1951
4. “Errors in Stress Determination at the Free Boundaries of Frozen Stress Photoelastic Models”;HICKSON;Brit. J. Appl. Phys.,1952
5. M. M. FROCHT and R. GUERNSEY, Jr., “Studies in Three-dimensional Photoelasticity—the Application of the Shear Difference Method to the General Space Problem”, Proceedings of the First U.S. National Congress of Applied Mechanics, Dec. 1952.