TY  - JOUR
A1  - Sapart, C. J.
A1  - Martinerie, P.
A1  - Chappellaz, J.
A1  - van de Wal, R. S. W.
A1  - Sperlich, P.
A1  - van der Veen, C.
A1  - Bernard, S.
A1  - Sturges, W. T.
A1  - Blunier, T.
A1  - Witrant, E.
A1  - Schwander, J.
A1  - Etheridge, D.
A1  - Röckmann, T.
T1  - Reconstruction of the carbon isotopic composition of methane over the last 50 yr based on firn air measurements at 11 polar sites
JO  - Atmos. Chem. Phys. Discuss.
J1  - ACPD
VL  - 12
IS  - 4
SP  - 9587
EP  - 9619
Y1  - 2012/04/13
PB  - Copernicus Publications
SN  - 1680-7375
UR  - http://www.atmos-chem-phys-discuss.net/12/9587/2012/
L1  - http://www.atmos-chem-phys-discuss.net/12/9587/2012/acpd-12-9587-2012.pdf
DO  - 10.5194/acpd-12-9587-2012
ER  -