Silva, Javier, Marjorie Morales, Manuel Cáceres, Paulina Morales, and Germán Aroca. 2012. “Modelling of the Biofiltration of Reduced Sulphur Compounds through Biotrickling Filters Connected in Series: Effect of H2S”. Electronic Journal of Biotechnology 15 (3). Valparaíso, Chile. https://www.ejbiotechnology.info/index.php/ejbiotechnology/article/view/v15n3-7.