 @article{silva_campos_pereira_silva_2013,  title={Characterization of the biomass of a hybrid anaerobic reactor (HAR) with two types of support material during the treatment of the coffee wastewater},  volume={56},  ISSN={1516-8913},  url={https://doi.org/10.1590/S1516-89132013000300018},  DOI={10.1590/S1516-89132013000300018},  number={3},  journal={Brazilian Archives of Biology and Technology},  publisher={Instituto de Tecnologia do Paraná - Tecpar},  author={Silva, Vivian Galdino da and Campos, Cláudio Milton Montenegro and Pereira, Erlon Lopes and Silva, Júlia Ferreira da},  year={2013},  month={May},  pages={495–504} }