WASET
    V. Polenta and  S. D. Garvey and  D. Chronopoulos and  A. C. Long and  H. P. Morvan,  Effects of Pipe Curvature and Internal Pressure on Stiffness and Buckling Phenomenon of Circular Thin-Walled Pipes.   journal   = {International Journal of Materials and Metallurgical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2015, vol. 98(2). 278 - 282
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10000513.