@Article{acp-9-9143-2009,
AUTHOR = {Castanheira, J. M. and A\~nel, J. A. and Marques, C. A. F. and Antu\~na, J. C. and Liberato, M. L. R. and de la Torre, L. and Gimeno, L.},
TITLE = {Increase of upper troposphere/lower stratosphere wave baroclinicity during the second half of the 20th century},
JOURNAL = {Atmospheric Chemistry and Physics},
VOLUME = {9},
YEAR = {2009},
NUMBER = {23},
PAGES = {9143--9153},
URL = {http://www.atmos-chem-phys.net/9/9143/2009/},
DOI = {10.5194/acp-9-9143-2009}
}