@article{righi_heldwein_maldaner_lucas_stüker_2015,  title={Balance of longwave radiation employing the rate of solar radiation for Santa Maria, Rio Grande do Sul, Brazil<sup>1</sup>},  volume={46},  ISSN={1806-6690},  url={https://doi.org/10.1590/S1806-66902015000100004},  DOI={10.1590/S1806-66902015000100004},  number={1},  journal={Revista Ciência Agronômica},  publisher={Universidade Federal do Ceará},  author={Righi, Evandro Zanini and Heldwein, Arno Bernardo and Maldaner, Ivan Carlos and Lucas, Dionéia Daiane Pittol and Stüker, Paulo Ervin},  year={2015},  month={Jan},  pages={29–37} }