@article{bicca_fleck_ayub_1999,  title={Production of biosurfactant by hydrocarbon degrading Rhodococcus ruber and Rhodococcus erythropolis},  volume={30},  ISSN={0001-3714},  url={https://doi.org/10.1590/S0001-37141999000300008},  DOI={10.1590/S0001-37141999000300008},  number={3},  journal={Revista de Microbiologia},  publisher={Sociedade Brasileira de Microbiologia},  author={Bicca, Flávio Correa and Fleck, Leonardo Colombo and Ayub, Marco Antônio Záchia},  year={1999},  month={Jul},  pages={231–236} }