TY - JOUR A1 - Parrondo, M. C. A1 - Yela, M. A1 - Gil, M. A1 - von der Gathen, P. A1 - Ochoa, H. T1 - Mid-winter lower stratosphere temperatures in the Antarctic vortex: comparison between observations and ECMWF and NCEP operational models JO - Atmos. Chem. Phys. J1 - ACP VL - 7 IS - 2 SP - 435 EP - 441 Y1 - 2007/01/24 PB - Copernicus Publications SN - 1680-7324 UR - http://www.atmos-chem-phys.net/7/435/2007/ L1 - http://www.atmos-chem-phys.net/7/435/2007/acp-7-435-2007.pdf DO - 10.5194/acp-7-435-2007 ER -