@article{rodrigues_burgos_martha_2019,  title={A Unified Approach to the Timoshenko Geometric Stiffness Matrix Considering Higher-Order Terms in the Strain Tensor},  volume={16},  ISSN={1679-7825},  url={https://doi.org/10.1590/1679-78255273},  DOI={10.1590/1679-78255273},  number={4},  journal={Latin American Journal of Solids and Structures},  publisher={Individual owner},  author={Rodrigues, Marcos Antonio Campos and Burgos, Rodrigo Bird and Martha, Luiz Fernando},  year={2019},  pages={e185} }