@Article{acpd-6-10991-2006, AUTHOR = {Pierce, J. R. and Adams, P. J.}, TITLE = {Efficiency of cloud condensation nuclei formation from ultrafine particles}, JOURNAL = {Atmospheric Chemistry and Physics Discussions}, VOLUME = {6}, YEAR = {2006}, NUMBER = {6}, PAGES = {10991--11023}, URL = {http://www.atmos-chem-phys-discuss.net/6/10991/2006/}, ISSN = {1680-7367} }