Long-term stability of MIPAS-ENVISAT O3 and HNO3 data using g.-b. FTIR measurements in Kiruna (Sweden) and Izana (Tenerife) - Blumenstock, T.; Barthlott, S.; Garcia, O.; Hase, F.; Kiefer, M.; Kohlhepp, R.; Raffalski, U.; Schneider, M. (2014)