Šaraškinas, Viačeslavas, and Balys Valiūnas. “Testing and Calculating three‐hinge Suspension Structures of Hollow concrete‐filled Steel Tubular Members”. Technological and Economic Development of Economy 13, no. 2 (June 30, 2007): 153-158. Accessed March 29, 2024. https://journals.vilniustech.lt/index.php/TEDE/article/view/7724.