Organic and inorganic bromine measurements around the extratropical tropopause and lowermost stratosphere: insights into the transport pathways and total bromine. - Rotermund, Meike K.; Bense, Vera; Chipperfield, Martyn P.; Engel, Andreas; Grooß, Jens-Uwe; Hoor, Peter; Hüneke, Tilman; Keber, Timo; Kluge, Flora; Schreiner, Benjamin; Schuck, Tanja; Vogel, Bärbel; et al. (Atmospheric Chemistry & Physics, 2021)