@Article{acp-2-325-2002, AUTHOR = {de Laat, A. T. J.}, TITLE = {On the origin of tropospheric O$_{3}$ over the Indian Ocean during the winter monsoon: African biomass burning vs. stratosphere-troposphere exchange}, JOURNAL = {Atmospheric Chemistry and Physics}, VOLUME = {2}, YEAR = {2002}, NUMBER = {5}, PAGES = {325--341}, URL = {http://www.atmos-chem-phys.net/2/325/2002/}, ISSN = {1680-7316} }