TY - JOUR A1 - Ruuskanen, T. M. A1 - Taipale, R. A1 - Rinne, J. A1 - Kajos, M. K. A1 - Hakola, H. A1 - Kulmala, M. T1 - Quantitative long-term measurements of VOC concentrations by PTR-MS: annual cycle at a boreal forest site JO - Atmos. Chem. Phys. Discuss. J1 - ACPD VL - 9 IS - 1 SP - 81 EP - 134 Y1 - 2009/01/06 PB - Copernicus Publications SN - 1680-7375 UR - http://www.atmos-chem-phys-discuss.net/9/81/2009/ L1 - http://www.atmos-chem-phys-discuss.net/9/81/2009/acpd-9-81-2009.pdf DO - 10.5194/acpd-9-81-2009 ER -