@article{bono_campos filho_pacheco_2011,  title={A 3D finite element model for reinforced concrete structures analysis},  volume={4},  ISSN={1983-4195},  url={https://doi.org/10.1590/S1983-41952011000400002},  DOI={10.1590/S1983-41952011000400002},  number={4},  journal={Revista IBRACON de Estruturas e Materiais},  publisher={IBRACON - Instituto Brasileiro do Concreto},  author={Bono, G. F. F. and Campos Filho, A. and Pacheco, A. R.},  year={2011},  month={Oct},  pages={548–560} }