@inproceedings{OPUS4-30008,
  title     = {GV annual meeting 2009 : earth control on planetary life and environment ; abstracts},
  booktitle = {Reihe der Universit{\"a}tsdrucke},
  editor    = {Hilmar von Eynatten and Joachim Reitner and Gerhard W{\"o}rner},
  url       = {http://webdoc.sub.gwdg.de/univerlag/2009/GVannual_woerner.pdf},
  year      = {2009},
}