@Article{acp-6-493-2006,
AUTHOR = {Bernard, S. and Röckmann, T. and Kaiser, J. and Barnola, J.-M. and Fischer, H. and Blunier, T. and Chappellaz, J.},
TITLE = {Constraints on N$_{2}$O budget changes since pre-industrial time from new firn air and ice core isotope measurements},
JOURNAL = {Atmospheric Chemistry and Physics},
VOLUME = {6},
YEAR = {2006},
NUMBER = {2},
PAGES = {493--503},
URL = {http://www.atmos-chem-phys.net/6/493/2006/},
ISSN = {1680-7316}
}