TY - JOUR A1 - Ehn, M. A1 - Petäjä, T. A1 - Aufmhoff, H. A1 - Aalto, P. A1 - Hämeri, K. A1 - Arnold, F. A1 - Laaksonen, A. A1 - Kulmala, M. T1 - Hygroscopic properties of ultrafine aerosol particles in the boreal forest: diurnal variation, solubility and the influence of sulfuric acid JO - Atmos. Chem. Phys. J1 - ACP VL - 7 IS - 1 SP - 211 EP - 222 Y1 - 2007/01/16 PB - Copernicus Publications SN - 1680-7316 UR - http://www.atmos-chem-phys.net/7/211/2007/ L1 - http://www.atmos-chem-phys.net/7/211/2007/acp-7-211-2007.pdf ER -