First remote sensing measurements of ClOOCl along with ClO and ClONO₂ in activated and deactivated Arctic vortex conditions using new ClOOCl IR absorption cross sections - Wetzel, G.; Oelhaf, H.; Kirner, O.; Ruhnke, R.; Friedl-Vallon, F.; Kleinert, A.; Maucher, G.; Fischer, H.; Birk, M.; Wagner, G.; Engel, A. (European Geosciences Union, 2010)