TY - JOUR A1 - Castanheira, J. M. A1 - Añel, J. A. A1 - Marques, C. A. F. A1 - Antuña, J. C. A1 - Liberato, M. L. R. A1 - de la Torre, L. A1 - Gimeno, L. T1 - Increase of upper troposphere/lower stratosphere wave baroclinicity during the second half of the 20th century JO - Atmos. Chem. Phys. J1 - ACP VL - 9 IS - 23 SP - 9143 EP - 9153 Y1 - 2009/12/03 PB - Copernicus Publications SN - 1680-7324 UR - http://www.atmos-chem-phys.net/9/9143/2009/ L1 - http://www.atmos-chem-phys.net/9/9143/2009/acp-9-9143-2009.pdf DO - 10.5194/acp-9-9143-2009 ER -