@Article{acp-9-3491-2009,
AUTHOR = {Zellweger, C. and H\"uglin, C. and Klausen, J. and Steinbacher, M. and Vollmer, M. and Buchmann, B.},
TITLE = {Inter-comparison of four different carbon monoxide measurement techniques and evaluation of the long-term carbon monoxide time series of Jungfraujoch},
JOURNAL = {Atmospheric Chemistry and Physics},
VOLUME = {9},
YEAR = {2009},
NUMBER = {11},
PAGES = {3491--3503},
URL = {http://www.atmos-chem-phys.net/9/3491/2009/},
DOI = {10.5194/acp-9-3491-2009}
}