@Article{acp-7-4237-2007, AUTHOR = {Stemmler, K. and Ndour, M. and Elshorbany, Y. and Kleffmann, J. and D'Anna, B. and George, C. and Bohn, B. and Ammann, M.}, TITLE = {Light induced conversion of nitrogen dioxide into nitrous acid on submicron humic acid aerosol}, JOURNAL = {Atmospheric Chemistry and Physics}, VOLUME = {7}, YEAR = {2007}, NUMBER = {16}, PAGES = {4237--4248}, URL = {http://www.atmos-chem-phys.net/7/4237/2007/}, ISSN = {1680-7316} }