@Article{acp-6-1991-2006,
AUTHOR = {Sturm, P. and Leuenberger, M. and Valentino, F. L. and Lehmann, B. and Ihly, B.},
TITLE = {Measurements of CO$_{2}$, its stable isotopes, O$_{2}$/N$_{2}$, and $^{222}$Rn at Bern, Switzerland},
JOURNAL = {Atmospheric Chemistry and Physics},
VOLUME = {6},
YEAR = {2006},
NUMBER = {7},
PAGES = {1991--2004},
URL = {http://www.atmos-chem-phys.net/6/1991/2006/},
ISSN = {1680-7316}
}