TY - JOUR A1 - Platt, U. A1 - Allan, W. A1 - Lowe, D. T1 - Hemispheric average Cl atom concentration from 13C/12C ratios in atmospheric methane JO - Atmos. Chem. Phys. J1 - ACP VL - 4 IS - 9/10 SP - 2393 EP - 2399 Y1 - 2004/11/30 PB - Copernicus Publications SN - 1680-7324 UR - https://acp.copernicus.org/articles/4/2393/2004/ L1 - https://acp.copernicus.org/articles/4/2393/2004/acp-4-2393-2004.pdf DO - 10.5194/acp-4-2393-2004 ER -