@article{leonel_corazza_zanutto_müller_carvalho_nunes_2015,  title={Stability of Citrus tristeza virus protective isolate 'Pêra IAC' according to SSCP analysis of old and new lines of three sweet orange varieties},  volume={41},  ISSN={0100-5405},  url={https://doi.org/10.1590/0100-5405/1991},  DOI={10.1590/0100-5405/1991},  number={1},  journal={Summa Phytopathologica},  publisher={Grupo Paulista de Fitopatologia},  author={Leonel, Waldecy Matos da Silva and Corazza, Maria Júlia and Zanutto, Carlos Alexandre and Müller, Gerd Walter and Carvalho, Sergio Alves and Nunes, William Mário Carvalho},  year={2015},  month={Jan},  pages={8–12} }