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3. D'Agostino, J., Drucker, D. C., Liu, C. K., andMylonas, C., “Epoxy Adhesives and Casting Resins as Photo-Elastic Plastics,”Proc. Soc. Exp. Stress Anal., XII (2),123–128 (1955).
4. D'Agostino, J., Drucker, D. C., Liu, C. K., andMylonas, C., “An Analysis of Plastic Behavior of Metals with Bonded Birefringent Plastic,”-om|Ibid. Proc. Soc. Exp. Stress Anal., XII (2),115–122 (1955).
5. Duffy, J., “Effects of the Thickness of Birefringent Coatings,” Technical Report No. 34, Contract DA-19-020-ORD-798, Division of Applied Mathematics, Brown University (April 1958). Experimental Mechanics, 74–82 (March 1961).