@Article{acpd-4-1091-2004,
AUTHOR = {Zahn, A. and Brenninkmeijer, C. A. M. and van Velthoven, P. F. J.},
TITLE = {Passenger aircraft project CARIBIC 1997–2002, Part I: the extratropical chemical tropopause},
JOURNAL = {Atmospheric Chemistry and Physics Discussions},
VOLUME = {4},
YEAR = {2004},
NUMBER = {1},
PAGES = {1091--1117},
URL = {http://www.atmos-chem-phys-discuss.net/4/1091/2004/},
DOI = {10.5194/acpd-4-1091-2004}
}