Großmann, J., Hüsers, N. y Hilse, H. (2011) «BIOGAS TECHNOLOGY AS AN INNOVATIVE ELEMENT OF ENVIRONMENTALLY-FRIENDLY CONTAMINATED SITE REMEDIATION AND WASTE DISPOSAL», Águas Subterrâneas. Disponible en: https://aguassubterraneas.emnuvens.com.br/asubterraneas/article/view/28080 (Accedido: 7 febrero 2025).