1. Peterson, R.E., Stress Concentration Factors, John Wiley, New York (1974).
2. Lekhnitskii, S.G., “Stresses in Infinite Anisotropic Plate Weakened by Elliptical Hole,” DAN SSSR,4 (3), (1936).
3. Lekhnitskii, S.G., Theory of Elasticity of an Anisotropic Elastic Body, Government Publishing Houses for Technical-Theoretical Works, Moscow and Leningrad (1950).Also, P. Fern (English trans.), Holden-Day, San Francisco (1963).
4. Lekhnitskii, S.G., Anisotropic Plates, S.W. Tsai and T. Cheron (English trans.), Gordon and Breach, New York (1968).
5. Savin, G.N., Stress Distribution around Holes, Naukova Dumka Press, Kiev (1968).Also, NASA 77 F-601 (November 1970).