@Article{acp-11-3393-2011,
AUTHOR = {Nieminen, T. and Paasonen, P. and Manninen, H. E. and Sellegri, K. and Kerminen, V.-M. and Kulmala, M.},
TITLE = {Parameterization of ion-induced nucleation rates based on ambient  observations},
JOURNAL = {Atmospheric Chemistry and Physics},
VOLUME = {11},
YEAR = {2011},
NUMBER = {7},
PAGES = {3393--3402},
URL = {http://www.atmos-chem-phys.net/11/3393/2011/},
DOI = {10.5194/acp-11-3393-2011}
}