@Article{acpd-3-5513-2003, AUTHOR = {Ketzel, M. and Wåhlin, P. and Kristensson, A. and Swietlicki, E. and Berkowicz, R. and Nielsen, O. J. and Palmgren, F.}, TITLE = {Particle size distribution and particle mass measurements at urban, near-city and rural level in the Copenhagen area and Southern Sweden}, JOURNAL = {Atmospheric Chemistry and Physics Discussions}, VOLUME = {3}, YEAR = {2003}, NUMBER = {6}, PAGES = {5513--5546}, URL = {http://www.atmos-chem-phys-discuss.net/3/5513/2003/}, ISSN = {1680-7367} }