DENGLER, H. 25 Jahre Erdgasversorgung. Backnanger Jahrbuch, [S. l.], v. 16, p. 264–266, 2008. DOI: 10.53458/bjb.v16i.9361. Disponível em: https://journals.wlb-stuttgart.de/ojs/index.php/bjb/article/view/9361. Acesso em: 3 juli. 2024.