@Article{acpd-6-9259-2006,
AUTHOR = {Punge, H. J. and Giorgetta, M. A.},
TITLE = {Differences between the QBO in the first and in the second half of the ERA-40 reanalysis},
JOURNAL = {Atmospheric Chemistry and Physics Discussions},
VOLUME = {6},
YEAR = {2006},
NUMBER = {5},
PAGES = {9259--9271},
URL = {http://www.atmos-chem-phys-discuss.net/6/9259/2006/},
ISSN = {1680-7367}
}