@Article{acp-7-211-2007, AUTHOR = {Ehn, M. and Petäjä, T. and Aufmhoff, H. and Aalto, P. and Hämeri, K. and Arnold, F. and Laaksonen, A. and Kulmala, M.}, TITLE = {Hygroscopic properties of ultrafine aerosol particles in the boreal forest: diurnal variation, solubility and the influence of sulfuric acid}, JOURNAL = {Atmospheric Chemistry and Physics}, VOLUME = {7}, YEAR = {2007}, NUMBER = {1}, PAGES = {211--222}, URL = {http://www.atmos-chem-phys.net/7/211/2007/}, ISSN = {1680-7316} }