@article{34959cde879243be90332a2c6612ce05,
title = "Characterization of positive air ions in boreal forest air at the Hyyti{\"a}l{\"a} SMEAR station",
author = "U. H{\"o}rrak and P.P. Aalto and J. Salm and K. Komsaare and H. Tammet and J.M. M{\"a}kel{\"a} and L. Laakso and M. Kulmala",
note = "Contribution: organisation=fys,FACT1=1",
year = "2007",
language = "English",
volume = "7",
pages = "9465--9517",
journal = "Atmospheric Chemistry and Physics Discussions",
issn = "1680-7367",
publisher = "Copernicus Publications",
}