HEMMINGSEN SCHOVSBO, N. .; THORSHØJ NIELSEN, A. . Generation and origin of natural gas in Lower Palaeozoic shales from southern Sweden. GEUS Bulletin, Copenhagen, Denmark, v. 38, p. 37–40, 2017. DOI: 10.34194/geusb.v38.4395. Disponível em: https://geusbulletin.org/index.php/geusb/article/view/4395. Acesso em: 25 jun. 2022.