TY - JOUR A1 - Merlaud, A. A1 - Van Roozendael, M. A1 - van Gent, J. A1 - Fayt, C. A1 - Maes, J. A1 - Toledo-Fuentes, X. A1 - Ronveaux, O. A1 - De Mazière, M. T1 - DOAS measurements of NO2 from an ultralight aircraft during the Earth Challenge expedition JO - Atmos. Meas. Tech. J1 - AMT VL - 5 IS - 8 SP - 2057 EP - 2068 Y1 - 2012/08/24 PB - Copernicus Publications SN - 1867-8548 UR - https://amt.copernicus.org/articles/5/2057/2012/ L1 - https://amt.copernicus.org/articles/5/2057/2012/amt-5-2057-2012.pdf DO - 10.5194/amt-5-2057-2012 ER -