Validation of O₃ and HNO₃ profiles from ENVISAT with ground-based FTIR measurement at Kiruna (Sweden) and Izana (Tenerife) - Blumenstock, T.; Burrows, J. P.; Clarmann, T. von; Cuevas, E.; Fischer, H.; Griesfeller, A.; Hase, F.; Kondo, Y.; Raffalski, U.; Savigny, C. von; Schneider, M.; Steck, T. (2004)