Fernandez Caballero, Daniel and Rodríguez de la Cruz, Víctor and Muñoz Guijosa, Juan Manuel (2019). Optimization of Energy Density in Girders under Pure Bending with an Extruded Monolithic Cross-Section. "World Journal of Mechanics", v. 9 (n. 3); pp. 53-66. ISSN 2160-0503. https://doi.org/10.4236/wjm.2019.93004.