TY - JOUR A1 - Butler, T. M. A1 - Simmonds, I. A1 - Rayner, P. J. T1 - Mass balance inverse modelling of methane in the 1990s using a Chemistry Transport Model JO - Atmos. Chem. Phys. J1 - ACP VL - 4 IS - 11/12 SP - 2561 EP - 2580 Y1 - 2004/12/16 PB - Copernicus Publications SN - 1680-7324 UR - http://www.atmos-chem-phys.net/4/2561/2004/ L1 - http://www.atmos-chem-phys.net/4/2561/2004/acp-4-2561-2004.pdf DO - 10.5194/acp-4-2561-2004 ER -