Unconventional Gas Resources in the Paleozoic of Central EuropeR. Littke, B. Krooss, A. K. Uffmann, H.-M. Schulz and B. HorsfieldOil Gas Sci. Technol. – Rev. IFP Energies nouvelles, 66 6 (2011) 953-977DOI: https://doi.org/10.2516/ogst/2010033
