@Article{acpd-10-24245-2010,
AUTHOR = {Hirsikko, A. and Nieminen, T. and Gagn\'e, S. and Lehtipalo, K. and Manninen, H. E. and Ehn, M. and H\~orrak, U. and Kerminen, V. -M. and Laakso, L. and McMurry, P. H. and Mirme, A. and Mirme, S. and Pet\"aj\"a, T. and Tammet, H. and Vakkari, V. and Vana, M. and Kulmala, M.},
TITLE = {Atmospheric ions and nucleation: a review of observations},
JOURNAL = {Atmospheric Chemistry and Physics Discussions},
VOLUME = {10},
YEAR = {2010},
NUMBER = {10},
PAGES = {24245--24324},
URL = {http://www.atmos-chem-phys-discuss.net/10/24245/2010/},
DOI = {10.5194/acpd-10-24245-2010}
}