@article{BirnerBoenisch2010,
  author    = {Thomas Birner and Harald B{\"o}nisch},
  title     = {Residual circulation trajectories and transit times into the extratropical lowermost stratosphere},
  journal   = {Atmospheric chemistry and physics / Discussions},
  volume    = {10},
  pages     = {16837 -- 16860},
  doi       = {doi:10.5194/acpd-10-16837-2010},
  url       = {http://www.atmos-chem-phys-discuss.net/10/16837/2010/},
  year      = {2010},
}