@article{HeuermannSchiek1993,
  author    = {Heuermann, Holger and Schiek, Burkhard},
  title     = {LNN( Line-Network-Network): The In-Fixture Calibration Procedure},
  pages     = {149 -- 149},
  year      = {1993},
  language  = {en}
}
@article{HeuermannSchiek1992,
  author    = {Heuermann, Holger and Schiek, Burkhard},
  title     = {A Generalization of the Txx Network Analyzer Self-Calibration Procedure},
  series = {Conference proceedings : monday 24th to thursday 27th august 1992, Helsinki University of Technology, Espoo, Finland ; [the international conference and exhibition designed for the Microwave Community]. Vol. 2},
  journal   = {Conference proceedings : monday 24th to thursday 27th august 1992, Helsinki University of Technology, Espoo, Finland ; [the international conference and exhibition designed for the Microwave Community]. Vol. 2},
  publisher = {Microwave Exhibitions and Publishers},
  address   = {Tunbridge Wells},
  isbn      = {0-946821-77-1},
  pages     = {907 -- 912},
  year      = {1992},
  language  = {en}
}
@article{HeuermannSchiek1997,
  author    = {Heuermann, Holger and Schiek, B.},
  title     = {15-term self-calibration methods for the error-correction of on-wafer measurements},
  series = {IEEE transactions on instrumentation and measurement : IM / Institute of Electrical and Electronics Engineers, Instrumentation and Measurement Group. 46 (1997), H. 5},
  journal   = {IEEE transactions on instrumentation and measurement : IM / Institute of Electrical and Electronics Engineers, Instrumentation and Measurement Group. 46 (1997), H. 5},
  isbn      = {0018-9456},
  pages     = {1105 -- 1110},
  year      = {1997},
  language  = {en}
}
@article{WolfLuczakSpringeretal.1997,
  author    = {Wolf, Martin R. and Luczak, Holger and Springer, J. and Simon, S.},
  title     = {The role of metaphors in computer supported cooperative work},
  series = {Proceedings of WWDU '97 Tokyo, Fifth International Scientific Conference on Work with Display Units : November 3 - 5, 1997, Tokyo /},
  journal   = {Proceedings of WWDU '97 Tokyo, Fifth International Scientific Conference on Work with Display Units : November 3 - 5, 1997, Tokyo /},
  editor    = {Miyamoto, Hiroyuki},
  publisher = {-},
  address   = {Tokyo},
  pages     = {191 -- 192},
  year      = {1997},
  language  = {en}
}
@article{SteinbauerFerrein2016,
  author    = {Steinbauer, Gerald and Ferrein, Alexander},
  title     = {20 Years of RoboCup},
  series = {KI - K{\"u}nstliche Intelligenz},
  volume    = {30},
  journal   = {KI - K{\"u}nstliche Intelligenz},
  number    = {3-4},
  publisher = {Springer},
  address   = {Berlin},
  issn      = {1610-1987},
  doi       = {10.1007/s13218-016-0442-z},
  pages     = {221 -- 224},
  year      = {2016},
  language  = {en}
}
@article{FerreinFritzLakemeyer2003,
  author    = {Ferrein, Alexander and Fritz, Christian and Lakemeyer, Gerhard},
  title     = {Extending DTGOLOG with Options / Ferrein, Alexander ; Fritz, Christian ; Lakemeyer, Gerhard},
  series = {IJCAI-03, Proceedings of the Eighteenth International Joint Conference on Artificial Intelligence, Acapulco, Mexico, August 9-15, 2003},
  journal   = {IJCAI-03, Proceedings of the Eighteenth International Joint Conference on Artificial Intelligence, Acapulco, Mexico, August 9-15, 2003},
  pages     = {1391 -- 1393},
  year      = {2003},
  language  = {en}
}
@article{Heuermann1999,
  author    = {Heuermann, Holger},
  title     = {Calibration procedures with series impedances and unknown lines simplify on-wafer measurements},
  series = {IEEE transactions on microwave theory and techniques : MTT ; a publication of the IEEE Microwave Theory and Techniques Society. 47 (1999), H. 1},
  journal   = {IEEE transactions on microwave theory and techniques : MTT ; a publication of the IEEE Microwave Theory and Techniques Society. 47 (1999), H. 1},
  isbn      = {0018-9480},
  pages     = {1 -- 5},
  year      = {1999},
  language  = {en}
}
@article{HeuermannSchiek1995,
  author    = {Heuermann, Holger and Schiek, B.},
  title     = {Error corrected impedance measurements with a network analyzer},
  series = {IEEE transactions on instrumentation and measurement : IM / Institute of Electrical and Electronics Engineers, Instrumentation and Measurement Group. 44 (1995), H. 2},
  journal   = {IEEE transactions on instrumentation and measurement : IM / Institute of Electrical and Electronics Engineers, Instrumentation and Measurement Group. 44 (1995), H. 2},
  isbn      = {0018-9456},
  pages     = {295 -- 299},
  year      = {1995},
  language  = {en}
}
@article{WolfSimonSchlick1998,
  author    = {Wolf, Martin R. and Simon, S. and Schlick, Christopher},
  title     = {Qualitative and Quantitative Analysis of Cooperation / Wolf, M. ; Simon, S. ; Schlick, C.},
  series = {Proceedings : May 26 - 29, 1998, Cannes (France) = Actes : 26 - 29 mai 1998 / INRIA, Institut National de Recherche en Informatique et en Automatique, Unit{\´e} de recherche ... F. Darses ..., eds},
  journal   = {Proceedings : May 26 - 29, 1998, Cannes (France) = Actes : 26 - 29 mai 1998 / INRIA, Institut National de Recherche en Informatique et en Automatique, Unit{\´e} de recherche ... F. Darses ..., eds},
  publisher = {-},
  address   = {Cannes},
  pages     = {1 -- 5},
  year      = {1998},
  language  = {en}
}
@article{Ritz2002,
  author    = {Ritz, Thomas},
  title     = {Personalized Information Services: Production and Distribution of these Services employing Mass-Customization},
  year      = {2002},
  language  = {en}
}