@article{agustinho_bento_2022,  title={Operational Requirements Analysis for Electric Vertical Takeoff and Landing Vehicle in the Brazilian Regulatory Framework},  volume={14},  ISSN={2175-9146},  url={https://doi.org/10.1590/jatm.v14.1269},  DOI={10.1590/jatm.v14.1269},  journal={Journal of Aerospace Technology and Management},  publisher={Departamento de Ciência e Tecnologia Aeroespacial},  author={Agustinho, José Ricardo and Bento, Carlos Alberto de Mattos},  year={2022},  pages={e1922} }