@article{machado_silva júnior_marques_silva-filho_2023,  title={CO<sub>2</sub> fluxes at the water-atmosphere interface in fluvial environments: an overview of studies in Brazilian rivers},  volume={18},  ISSN={1980-993X},  url={https://doi.org/10.4136/ambi-agua.2921},  DOI={10.4136/ambi-agua.2921},  journal={Revista Ambiente & Água},  publisher={Instituto de Pesquisas Ambientais em Bacias Hidrográficas},  author={Machado, Daniela Vasconcelos and Silva Júnior, Gerson Cardoso da and Marques, Eduardo Duarte and Silva-Filho, Emmanoel Vieira},  year={2023},  pages={e2921} }