@article{rodrigues_vellozo_2026,  title={What we know about party federations in Brazil: electoral reform, political context, formation, and outcomes},  volume={45},  ISSN={0103-3352},  url={https://doi.org/10.1590/0103-3352.2026.45.294063en},  DOI={10.1590/0103-3352.2026.45.294063en},  journal={Revista Brasileira de Ciência Política},  publisher={Universidade de Brasília. Instituto de Ciência Política},  author={Rodrigues, Theófilo Codeço Machado and Vellozo, Julio César de Oliveira},  year={2026},  pages={e294063} }