@Article{acpd-4-5831-2004, AUTHOR = {Immler, F. and Engelbart, D. and Schrems, O.}, TITLE = {Fluorescence from atmospheric aerosol detected by a lidar indicates biogenic particles in the stratosphere}, JOURNAL = {Atmospheric Chemistry and Physics Discussions}, VOLUME = {4}, YEAR = {2004}, NUMBER = {5}, PAGES = {5831--5854}, URL = {http://www.atmos-chem-phys-discuss.net/4/5831/2004/}, ISSN = {1680-7367} }