@Article{acp-8-4891-2008, AUTHOR = {Keim, C. and Liu, G. Y. and Blom, C. E. and Fischer, H. and Gulde, T. and H\"opfner, M. and Piesch, C. and Ravegnani, F. and Roiger, A. and Schlager, H. and Sitnikov, N.}, TITLE = {Vertical profile of peroxyacetyl nitrate (PAN) from MIPAS-STR measurements over Brazil in February 2005 and its contribution to tropical UT NO$_{y}$ partitioning}, JOURNAL = {Atmospheric Chemistry and Physics}, VOLUME = {8}, YEAR = {2008}, NUMBER = {16}, PAGES = {4891--4902}, URL = {http://www.atmos-chem-phys.net/8/4891/2008/}, DOI = {10.5194/acp-8-4891-2008} }