@Article{acpd-6-549-2006, AUTHOR = {Virtanen, A. and Rönkkö, T. and Kannosto, J. and Mäkelä, J. M. and Keskinen, J. and Pakkanen, T. and Pirjola, L. and Hämeri, K.}, TITLE = {Winter and summer time size distributions and densities of traffic-related aerosol particles at a busy highway in Helsinki}, JOURNAL = {Atmospheric Chemistry and Physics Discussions}, VOLUME = {6}, YEAR = {2006}, NUMBER = {1}, PAGES = {549--578}, URL = {http://www.atmos-chem-phys-discuss.net/6/549/2006/}, ISSN = {1680-7367} }