1. Evaluating double elasticity in drill cores under flexure;Adler;Int. J. Rock Mech. Min. Sci.,1970
2. Bach, C., Baumann, R., 1914. Elastizitat und Festigkeit, Ninth ed., Springer, Berlin, p. 259
3. Barla, G., Goffi, L., 1974. Direct tensile testing of anisotropic rocks. Proc. Third Int. Congr. Rock Mechanics, vol. 2. Part A, Denver, 93–98
4. Bell, J.F., 1984. Encyclopedia of Physics. In: Truesdell, C., Mechanics of Solids, vol. I. Springer, Berlin
5. Discussion: “Distributed Damage Theory of Beams in Pure Bending” (Krajcinovic, D., 1979, ASME J. Appl. Mech., 46, pp. 592–596)