@Article{acp-11-4445-2011,
AUTHOR = {Virkkula, A. and Backman, J. and Aalto, P. P. and Hulkkonen, M. and Riuttanen, L. and Nieminen, T. and dal Maso, M. and Sogacheva, L. and de Leeuw, G. and Kulmala, M.},
TITLE = {Seasonal cycle, size dependencies, and source analyses of aerosol optical properties at the SMEAR II measurement station in Hyytiälä, Finland},
JOURNAL = {Atmospheric Chemistry and Physics},
VOLUME = {11},
YEAR = {2011},
NUMBER = {9},
PAGES = {4445--4468},
URL = {http://www.atmos-chem-phys.net/11/4445/2011/},
DOI = {10.5194/acp-11-4445-2011}
}