TY - JOUR A1 - Niemi, J. V. A1 - Saarikoski, S. A1 - Tervahattu, H. A1 - Mäkelä, T. A1 - Hillamo, R. A1 - Vehkamäki, H. A1 - Sogacheva, L. A1 - Kulmala, M. T1 - Changes in background aerosol composition in Finland during polluted and clean periods studied by TEM/EDX individual particle analysis JO - Atmos. Chem. Phys. Discuss. J1 - ACPD VL - 6 IS - 4 SP - 6753 EP - 6799 Y1 - 2006/07/19 PB - Copernicus Publications SN - 1680-7375 UR - http://www.atmos-chem-phys-discuss.net/6/6753/2006/ L1 - http://www.atmos-chem-phys-discuss.net/6/6753/2006/acpd-6-6753-2006.pdf DO - 10.5194/acpd-6-6753-2006 ER -