@article{ananthalakshmy_gunasekaran_1999,  title={Optimization of levan production by Zymomonas mobilis},  volume={42},  ISSN={1516-8913},  url={https://doi.org/10.1590/S1516-89131999000300004},  DOI={10.1590/S1516-89131999000300004},  number={3},  journal={Brazilian Archives of Biology and Technology},  publisher={Instituto de Tecnologia do Paraná - Tecpar},  author={Ananthalakshmy, V. K and Gunasekaran, P},  year={1999},  pages={291–298} }