@article{RensFerrein2013,
  author    = {Rens, Gavin and Ferrein, Alexander},
  title     = {Belief-node condensation for online POMDP algorithms},
  publisher = {IEEE},
  address   = {New York},
  pages     = {1 -- 7},
  year      = {2013},
  abstract  = {Slightly extended version of the paper accepted at the Robotics and Artificial Intelligence Workshop, a special track of IEEE AFRICON-2013, held in Mauritius, 9-12 September 2013},
  language  = {en}
}
@article{NiemuellerLakemeyerFerreinetal.2013,
  author    = {Niem{\"u}ller, Tim and Lakemeyer, Gerhard and Ferrein, Alexander and Reuter, S. and Ewert, D. and Jeschke, S. and Pensky, D. and Karras, Ulrich},
  title     = {Proposal for advancements to the LLSF in 2014 and beyond},
  pages     = {Publ. online},
  year      = {2013},
  language  = {en}
}