Hernández García, Armando, Eulogio Pimentel Vázquez, and Jesús Mena Campos. 2003. “Minibioreactor-Gas Collector for Determining Bacteria-Produced Hydrogen Sulfide”. Electronic Journal of Biotechnology 6 (3). Valparaíso, Chile:0-0. https://www.ejbiotechnology.info/index.php/ejbiotechnology/article/view/v6n3-7.