@incollection{STILLER13_CAWSES, author = "G. Stiller and A. Engel and H. B{\"o}nisch and N. Glatthor and F. Haenel and A. Linden and T. M{\"o}bius and T. von Clarmann", title = "Long-Term Behaviour of Stratospheric Transport and Mean Age as Observed from Balloon and Satellite Platforms", booktitle= "Climate and Weather of the Sun-Earth System (CAWSES)", editor = "F.-J. L{\"u}bken", publisher= "Springer Atmospheric Sciences", chapter= "32", pages = "605-624", doi = "10.1007/978-94-007-4348-9_32", year = "2013" }