VADILLO FERNÁNDEZ, L.; RODRÍGUEZ GÓMEZ, V. .; FERNÁNDEZ NARANJO, F. J. Addresing environmental challenges to shale gas and hydraulic fracturing. Boletín Geológico y Minero, [S. l.], v. 127, n. 4, p. 775–789, 2016. DOI: 10.21701/bolgeomin.127.4.002. Disponível em: https://bgm.revistas.csic.es/index.php/bgm/article/view/271. Acesso em: 23 feb. 2025.