1. Antman, S.S.: Nonlinear Problems of Elasticity. Springer, Berlin (2005)
2. Balke, H.: Einführung in die Technische Mechanik. Springer, Berlin (2008)
3. Beer, F.P., Johnston, E.R.: Mechanics of Materials. McGraw-Hill, London (1992)
4. Costello, G.A., Phillips, J.W.: Effective modulus of twisted wire cables. J. Eng. Mech. Div. 102(1), 171–181 (1976)
5. Costello, G.A., Sinha, S.K.: Torsional stiffness of twisted wire cables. J. Eng. Mech. Div. 103(4), 766–770 (1977)