@Article{acp-8-1391-2008, 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}, VOLUME = {8}, YEAR = {2008}, NUMBER = {5}, PAGES = {1391--1402}, URL = {http://www.atmos-chem-phys.net/8/1391/2008/}, DOI = {10.5194/acp-8-1391-2008} }