@article{HauckFritschGarnyetal.2018,
  author    = {Marius Hauck and Frauke Fritsch and Hella Garny and Andreas Engel},
  title     = {Deriving stratospheric age of air spectra using chemically active trace gases},
  journal   = {Atmospheric chemistry and physics. Discussions},
  volume    = {18},
  pages     = {1 -- 37},
  doi       = {10.5194/acp-2018-991},
  year      = {2018},
}