@article{martos_martinez vazquez_benassi_hours_2009,  title={Production of pectinases by A. niger: influence of fermentation conditions},  volume={52},  ISSN={1516-8913},  url={https://doi.org/10.1590/S1516-89132009000300007},  DOI={10.1590/S1516-89132009000300007},  number={3},  journal={Brazilian Archives of Biology and Technology},  publisher={Instituto de Tecnologia do Paraná - Tecpar},  author={Martos, María A. and Martinez Vazquez, Francisco and Benassi, Fernando O. and Hours, Roque A.},  year={2009},  month={May},  pages={567–572} }