Bernardo, Luís F. A., Miguel C. S. Nepomuceno, and Hugo A. S. Pinto. “Flexural Ductility of Lightweight-Aggregate Concrete Beams”. Journal of Civil Engineering and Management 22, no. 5 (May 17, 2016): 622-633. Accessed April 20, 2024. https://journals.vilniustech.lt/index.php/JCEM/article/view/1368.