TY - JOUR A1 - Lassey, K. R. A1 - Lowe, D. C. A1 - Smith, A. M. T1 - The atmospheric cycling of radiomethane and the ''fossil fraction'' of the methane source JO - Atmos. Chem. Phys. Discuss. J1 - ACPD VL - 6 IS - 3 SP - 5039 EP - 5056 Y1 - 2006/06/21 PB - Copernicus Publications SN - 1680-7367 UR - http://www.atmos-chem-phys-discuss.net/6/5039/2006/ L1 - http://www.atmos-chem-phys-discuss.net/6/5039/2006/acpd-6-5039-2006.pdf ER -