High-resolution airborne imaging DOAS measurements of NO2 above Bucharest during AROMAT. - Meier, Andreas Carlos; Schönhardt, Anja; Bösch, Tim; Richter, Andreas; Seyler, André; Ruhtz, Thomas; Constantin, Daniel-Eduard; Shaiganfar, Reza; Wagner, Thomas; Merlaud, Alexis; Van Roozendael, Michel; Belegante, Livio; et al. (Atmospheric Measurement Techniques, 2017)