@article{STILLER17_ACP_SHIFT,
   author = "G. P. Stiller and F. Fierli and F. Ploeger and C. Cagnazzo and
             B. Funke and F. J. Haenel and T. Reddmann and M. Riese
             and T. von Clarmann",
   title  = "Shift of subtropical transport barriers explains observed
             hemispheric asymmetry of decadal trends of age of air ",
   journal= "Atmos. Chem. Phys.",
   volume = "17",
   number = "18",
   pages  = "11177-11192",
   doi    = "10.5194/acp-17-11177-2017",
   url    = "https://doi.org/10.5194/acp-17-11177-2017",
   year   = "2017"   }