TY - JOUR A1 - Durry, G. A1 - Hauchecorne, A. T1 - Evidence for long-lived polar vortex air in the mid-latitude summer stratosphere from in situ laser diode CH4 and H2O measurements JO - Atmos. Chem. Phys. J1 - ACP VL - 5 IS - 6 SP - 1467 EP - 1472 Y1 - 2005/06/15 PB - Copernicus Publications SN - 1680-7324 UR - http://www.atmos-chem-phys.net/5/1467/2005/ L1 - http://www.atmos-chem-phys.net/5/1467/2005/acp-5-1467-2005.pdf DO - 10.5194/acp-5-1467-2005 ER -