@Article{acp-6-601-2006, AUTHOR = {Popp, P. J. and Marcy, T. P. and Jensen, E. J. and Kärcher, B. and Fahey, D. W. and Gao, R. S. and Thompson, T. L. and Rosenlof, K. H. and Richard, E. C. and Herman, R. L. and Weinstock, E. M. and Smith, J. B. and May, R. D. and Vömel, H. and Wilson, J. C. and Heymsfield, A. J. and Mahoney, M. J. and Thompson, A. M.}, TITLE = {The observation of nitric acid-containing particles in the tropical lower stratosphere}, JOURNAL = {Atmospheric Chemistry and Physics}, VOLUME = {6}, YEAR = {2006}, NUMBER = {3}, PAGES = {601--611}, URL = {http://www.atmos-chem-phys.net/6/601/2006/}, ISSN = {1680-7316} }