@Article{acp-7-2765-2007, AUTHOR = {Kurtén, T. and Torpo, L. and Sundberg, M. R. and Kerminen, V.-M. and Vehkamäki, H. and Kulmala, M.}, TITLE = {Estimating the NH$_{3}$:H$_{2}$SO$_{4}$ ratio of nucleating clusters in atmospheric conditions using quantum chemical methods}, JOURNAL = {Atmospheric Chemistry and Physics}, VOLUME = {7}, YEAR = {2007}, NUMBER = {10}, PAGES = {2765--2773}, URL = {http://www.atmos-chem-phys.net/7/2765/2007/}, ISSN = {1680-7316} }