@article{valente_viana_aquino_simões_2023,  title={Classification of precipitation anomalies in the Rio Grande do Sul in ENSO events in the 20th century},  volume={35},  ISSN={1982-4513},  url={https://doi.org/10.14393/SN-v35-2023-66073},  DOI={10.14393/SN-v35-2023-66073},  journal={Sociedade & Natureza},  publisher={Editora da Universidade Federal de Uberlândia - EDUFU},  author={Valente, Pedro Teixeira and Viana, Denilson Ribeiro and Aquino, Francisco Eliseu and Simões, Jefferson Cardia},  year={2023},  pages={e66073} }