@article{potrich_passaglia_schrank_2001,  title={Partial characterization of nif genes from the bacterium Azospirillum amazonense},  volume={34},  ISSN={0100-879X},  url={https://doi.org/10.1590/S0100-879X2001000900002},  DOI={10.1590/S0100-879X2001000900002},  number={9},  journal={Brazilian Journal of Medical and Biological Research},  publisher={Associação Brasileira de Divulgação Científica},  author={Potrich, D.P. and Passaglia, L.M.P. and Schrank, I.S.},  year={2001},  month={Sep},  pages={1105–1113} }