@Article{acpd-6-6753-2006,
AUTHOR = {Niemi, J. V. and Saarikoski, S. and Tervahattu, H. and M\"akel\"a, T. and Hillamo, R. and Vehkam\"aki, H. and Sogacheva, L. and Kulmala, M.},
TITLE = {Changes in background aerosol composition in Finland during polluted and clean periods studied by TEM/EDX individual particle analysis},
JOURNAL = {Atmospheric Chemistry and Physics Discussions},
VOLUME = {6},
YEAR = {2006},
NUMBER = {4},
PAGES = {6753--6799},
URL = {http://www.atmos-chem-phys-discuss.net/6/6753/2006/},
DOI = {10.5194/acpd-6-6753-2006}
}