@Article{amtd-2-3099-2009,
AUTHOR = {Mohn, J. and Guggenheim, C. and Tuzson, B. and Vollmer, M. K. and Emmenegger, L.},
TITLE = {A liquid nitrogen-free preconcentration unit for measurements of ambient N$_{2}$O isotopomers by QCLAS},
JOURNAL = {Atmospheric Measurement Techniques Discussions},
VOLUME = {2},
YEAR = {2009},
NUMBER = {6},
PAGES = {3099--3126},
URL = {http://www.atmos-meas-tech-discuss.net/2/3099/2009/},
DOI = {10.5194/amtd-2-3099-2009}
}