@Article{acpd-8-18155-2008,
AUTHOR = {Costabile, F. and Birmili, W. and Klose, S. and Tuch, T. and Wehner, B. and Wiedensohler, A. and Franck, U. and K\"onig, K. and Sonntag, A.},
TITLE = {Spatio-temporal variability and principal components of the particle number size distribution  in an urban atmosphere},
JOURNAL = {Atmospheric Chemistry and Physics Discussions},
VOLUME = {8},
YEAR = {2008},
NUMBER = {5},
PAGES = {18155--18217},
URL = {http://www.atmos-chem-phys-discuss.net/8/18155/2008/},
DOI = {10.5194/acpd-8-18155-2008}
}