Profiles of O₃, HCl, HF, NO, and HNO₃ as retrieved from ground-based FTIR spectra recorded at Kiruna (Sweden) during winter 1997/98 - Hase, F.; Blumenstock, T.; Fischer, H.; Höpfner, M.; Thomas, P.; Meier, A.; Steen, A.; Kondo, Y. (1999)