Open Access Reconsideration of Methane Isotope Signature As a Criterion for the Genesis of Natural Gas: Influence of Migration on Isotopic Signatures E. Pernaton, A. Prinzhofer and F. Schneider Published online: 01 November 2006 DOI: https://doi.org/10.2516/ogst:1996042 AbstractPDF (718.7 KB)