@Article{acpd-7-14511-2007,
AUTHOR = {Scherer, M. and V\"omel, H. and Fueglistaler, S. and Oltmans, S. J. and Staehelin, J.},
TITLE = {Trends and variability of midlatitude stratospheric water vapour deduced from the re-evaluated Boulder balloon series and HALOE},
JOURNAL = {Atmospheric Chemistry and Physics Discussions},
VOLUME = {7},
YEAR = {2007},
NUMBER = {5},
PAGES = {14511--14542},
URL = {http://www.atmos-chem-phys-discuss.net/7/14511/2007/},
DOI = {10.5194/acpd-7-14511-2007}
}