@Article{acp-12-4647-2012,
AUTHOR = {Gagn\'e, S. and Lepp\"a, J. and Pet\"aj\"a, T. and McGrath, M. J. and Vana, M. and Kerminen, V.-M. and Laakso, L. and Kulmala, M.},
TITLE = {Aerosol charging state at an urban site: new analytical approach and implications for ion-induced nucleation},
JOURNAL = {Atmospheric Chemistry and Physics},
VOLUME = {12},
YEAR = {2012},
NUMBER = {10},
PAGES = {4647--4666},
URL = {http://www.atmos-chem-phys.net/12/4647/2012/},
DOI = {10.5194/acp-12-4647-2012}
}