1. Carbon isotope fractionation during natural gas generation from kerogen;Clayton;Mar. Pet. Geol.,1991
2. Extreme isotope fractionation of hydrocarbon gases in Permian salts;Gerling,1988
3. Compound-specific isotope analyses: a novel tool for reconstruction of ancient biogeochemical processes;Hayes,1990
4. Correlation of reservoir gases using the carbon isotopic compositions of wet gas components;James;Bull. Am. Assoc. Pet. Geol.,1990
5. Microbial alteration of subsurface natural gas accumulations;James;Bull. Am. Assoc. Pet. Geol.,1984