TY - JOUR A1 - Haszpra, L. A1 - Ramonet, M. A1 - Schmidt, M. A1 - Barcza, Z. A1 - Pátkai, Zs. A1 - Tarczay, K. A1 - Yver, C. A1 - Tarniewicz, J. A1 - Ciais, P. T1 - Variation of CO2 mole fraction in the lower free troposphere, in the boundary layer and at the surface JO - Atmos. Chem. Phys. J1 - ACP VL - 12 IS - 18 SP - 8865 EP - 8875 Y1 - 2012/09/28 PB - Copernicus Publications SN - 1680-7324 UR - http://www.atmos-chem-phys.net/12/8865/2012/ L1 - http://www.atmos-chem-phys.net/12/8865/2012/acp-12-8865-2012.pdf DO - 10.5194/acp-12-8865-2012 ER -