Penna, Samuel Silva, Roque Luiz da Silva Pitangueira, and Jamile Salim Fuina. 2013. “Comparative Study of Smeared Cracking Models for Concrete Structures”. Semina: Ciências Exatas E Tecnológicas 34 (2):211-28. https://doi.org/10.5433/1679-0375.2013v34n2p211.