%0 Journal Article %T Global carbon sinks and their variability inferred from atmospheric O2 and delta13C. %A Battle, M %A Bender, M L %A Tans, P P %A White, J W %A Ellis, J T %A Conway, T %A Francey, R J %J Science (New York, N.Y.) %V 287 %N 5462 %P 2467-70 %@ 0036-8075 %D 2000-04-11 %~ DeepDyve