Authors:
Francey, RJ
Manning, MR
Allison, CE
Coram, SA
Etheridge, DM
Langenfelds, RL
Lowe, DC
Steele, LP
Citation: Rj. Francey et al., A history of delta C-13 in atmospheric CH4 from the Cape Grim air archive and antarctic firn air, J GEO RES-A, 104(D19), 1999, pp. 23631-23643
Citation: Cm. Trudinger et al., Long-term variability in the global carbon cycle inferred from a high-precision CO2 and delta C-13 ice-core record, TELLUS B, 51(2), 1999, pp. 233-248