Panayotounakos, D.E., and P.S. Theocaris. “Solution of the Differential Equations Governing the Equilibrium of a Skew-Curved Beam”. Engineering Transactions 28, no. 3 (September 30, 1980): 487–500. Accessed April 24, 2025. https://et3.ippt.pan.pl/index.php/et/article/view/2169.