1. V. Z. Vlasov,Thin-walled elastic beams, Israeli Program for Scientific Translations, Jerusalem 1961.
2. A. Carpena, G. Diana,Behaviour to wind action of angle and T bars on H. V. lattice structures, Power apparatus and systems, no. 2, vol. 91, march–april 1972, pp. 536–544.
3. S. P. Timoshenko,Théorie de la flexion, torsion et flambage des barres à parois minces et à section ouverte, L'ossature metallique, 12° anno no. 7–8, 1947.
4. Rubinstein,Dynamics of Structures. Prentice-Hall, inc, Englewood Cliffs, New Jersey.
5. K. Klotter,Technische Schwingungslebre, Springer Verlag, Berlin 1960.