@article{silva_tomaz_siqueira_silva_lima_2019,  title={Yield loss in sunflower cultivars due to bird attack },  volume={50},  ISSN={1806-6690},  url={https://doi.org/10.5935/1806-6690.20190014},  DOI={10.5935/1806-6690.20190014},  number={1},  journal={Revista Ciência Agronômica},  publisher={Universidade Federal do Ceará},  author={Silva, Paulo Sérgio Lima e and Tomaz, Francisco Linco de Souza and Siqueira, Patrícia Liany de Oliveira Fernandes and Silva, Paulo Igor Barbosa e and Lima, Levi Afonso Cavalcante de},  year={2019},  month={Jan},  pages={114–122} }