@Article{acp-8-7421-2008,
AUTHOR = {Voigt, C. and Schlager, H. and Roiger, A. and Stenke, A. and de Reus, M. and Borrmann, S. and Jensen, E. and Schiller, C. and Konopka, P. and Sitnikov, N.},
TITLE = {Detection of reactive nitrogen containing particles in the  tropopause region – evidence for a tropical nitric acid trihydrate (NAT) belt},
JOURNAL = {Atmospheric Chemistry and Physics},
VOLUME = {8},
YEAR = {2008},
NUMBER = {24},
PAGES = {7421--7430},
URL = {http://www.atmos-chem-phys.net/8/7421/2008/},
DOI = {10.5194/acp-8-7421-2008}
}