TY - JOUR A1 - Kurtén, T. A1 - Torpo, L. A1 - Sundberg, M. R. A1 - Kerminen, V.-M. A1 - Vehkamäki, H. A1 - Kulmala, M. T1 - Estimating the NH3:H2SO4ratio of nucleating clusters in atmospheric conditions using quantum chemical methods JO - Atmos. Chem. Phys. Discuss. J1 - ACPD VL - 7 IS - 1 SP - 2937 EP - 2960 Y1 - 2007/02/23 PB - Copernicus Publications SN - 1680-7367 UR - http://www.atmos-chem-phys-discuss.net/7/2937/2007/ L1 - http://www.atmos-chem-phys-discuss.net/7/2937/2007/acpd-7-2937-2007.pdf ER -