@InProceedings{rottmann07iros,
  title     = {Autonomous Blimp Control using Model-free Reinforcement Learning in a Continuous State and Action Space},
  author    = {Axel Rottmann and Christian Plagemann and Peter Hilgers and Wolfram Burgard},
  booktitle = {Proc.~of the IEEE/RSJ International Conference on
               Intelligent Robots and Systems (IROS)},
  address   = {San Diego, CA, USA},
  year      = {2007},
  abstract  = {},
  pdfurl    = {http://www.informatik.uni-freiburg.de/~plagem/bib/rottmann07iros.pdf}
}