Zeitschriftenartikel
Fletcher, S. E. M.; Tans, P. P.; Bruhwiler, L. M.; Miller, J. B.; Heimann, M.: CH
4 sources estimated from atmospheric observations of CH
4 and its
13C/
12C isotopic ratios: 2. Inverse modeling of CH
4 fluxes from geographical regions. Global Biogeochemical Cycles
18 (4), S. GB4005 (2004)