TY - JOUR A1 - Assonov, S. S. A1 - Brenninkmeijer, C. A. M. A1 - Jöckel, P. A1 - Mulvaney, R. A1 - Bernard, S. T1 - A reconstruction of the past trend of atmospheric CO based on firn air samples from Berkner Island, Antarctica JO - Atmos. Chem. Phys. Discuss. J1 - ACPD VL - 5 IS - 5 SP - 10259 EP - 10299 Y1 - 2005/10/24 PB - Copernicus Publications SN - 1680-7367 UR - http://www.atmos-chem-phys-discuss.net/5/10259/2005/ L1 - http://www.atmos-chem-phys-discuss.net/5/10259/2005/acpd-5-10259-2005.pdf ER -