Hemmingsen Schovsbo N, Thorshøj Nielsen A. Generation and origin of natural gas in Lower Palaeozoic shales from southern Sweden. GEUS Bulletin [Internet]. 2017 Jul. 31 [cited 2024 Nov. 22];38:37-40. Available from: https://geusbulletin.org/index.php/geusb/article/view/4395