Carbon and Hydrogen Isotopic Composition of Methane Over the Last 1000 Years

Mischler, J. A., Sowers, T. A., Alley, R. B., Battle, M., McConnell, J. R., Mitchell, L., Popp, T., Sofen, E. D., Spencer, M. K. (2009). Carbon and Hydrogen Isotopic Composition of Methane Over the Last 1000 Years, Global Biogeochemical Cycles, 10.1029/2009GB003460