@Article{acp-4-281-2004,
AUTHOR = {Ketzel, M. and W{\aa}hlin, 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},
VOLUME = {4},
YEAR = {2004},
NUMBER = {1},
PAGES = {281--292},
URL = {http://www.atmos-chem-phys.net/4/281/2004/},
DOI = {10.5194/acp-4-281-2004}
}