@article{weikert-oliveira_resende_valério_caligiorne_paiva_2002,  title={Genetic variation among pathogens causing "Helminthosporium" diseases of rice, maize and wheat},  volume={27},  ISSN={0100-4158},  url={https://doi.org/10.1590/S0100-41582002000600015},  DOI={10.1590/S0100-41582002000600015},  number={6},  journal={Fitopatologia Brasileira},  publisher={Sociedade Brasileira de Fitopatologia},  author={WEIKERT-OLIVEIRA, RITA C. B. and RESENDE, M. APARECIDA DE and VALÉRIO, HENRIQUE M. and CALIGIORNE, RACHEL B. and PAIVA, EDILSON},  year={2002},  month={Nov},  pages={639–643} }