@Article{acp-6-3377-2006,
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},
VOLUME = {6},
YEAR = {2006},
NUMBER = {11},
PAGES = {3377--3390},
URL = {http://www.atmos-chem-phys.net/6/3377/2006/},
DOI = {10.5194/acp-6-3377-2006}
}