@Article{acpd-6-3135-2006,
AUTHOR = {Tammet, H. and H\~orrak, U. and Laakso, L. and Kulmala, M.},
TITLE = {Factors of air ion balance in a coniferous forest according to measurements in Hyytiälä, Finland},
JOURNAL = {Atmospheric Chemistry and Physics Discussions},
VOLUME = {6},
YEAR = {2006},
NUMBER = {2},
PAGES = {3135--3174},
URL = {http://www.atmos-chem-phys-discuss.net/6/3135/2006/},
DOI = {10.5194/acpd-6-3135-2006}
}