@article{lecchi_ferreira_costa_sarmanho_2022,  title={Comparison between exact and approximate methods for geometrically nonlinear analysis prescribed in design standards for steel and reinforced concrete structures},  volume={15},  ISSN={1983-4195},  url={https://doi.org/10.1590/S1983-41952022000100001},  DOI={10.1590/S1983-41952022000100001},  number={1},  journal={Revista IBRACON de Estruturas e Materiais},  publisher={IBRACON - Instituto Brasileiro do Concreto},  author={Lecchi, Laís De Bortoli and Ferreira, Walnório Graça and Costa, Paulo Manuel Mendes Pinheiro da Providência e and Sarmanho, Arlene Maria Cunha},  year={2022},  pages={e15101} }