@article{FerreinLakemeyer2006,
  author    = {Ferrein, Alexander and Lakemeyer, Gerhard},
  title     = {Roboterfußball - Wissenschaft, die auch Spass macht / Ferrein, Alexander ; Lakemeyer, Gerhard},
  series = {RWTH Themen (2006)},
  journal   = {RWTH Themen (2006)},
  isbn      = {0179-079X},
  pages     = {36 -- 39},
  year      = {2006},
  language  = {de}
}
@article{FerreinHermannsLakemeyer2006,
  author    = {Ferrein, Alexander and Hermanns, Lutz and Lakemeyer, Gerhard},
  title     = {Comparing Sensor Fusion Techniques for Ball Position Estimation / Ferrein, Alexander ; Hermanns, Lutz ; Lakemeyer, Gerhard},
  series = {RoboCup 2005: Robot Soccer World Cup IX},
  journal   = {RoboCup 2005: Robot Soccer World Cup IX},
  publisher = {Springer},
  address   = {Berlin},
  isbn      = {978-3-540-35437-6},
  pages     = {154 -- 165},
  year      = {2006},
  language  = {en}
}
@article{FerreinCalmesLakemeyeretal.2006,
  author    = {Ferrein, Alexander and Calmes, Laurent and Lakemeyer, Gerhard and Wagner, Hermann},
  title     = {Von Schleiereulen und fussballspielenden Robotern / Calmes, Laurent ; Ferrein, Alexander ; Lakemeyer, Gerhard ; Wagner, Hermann},
  series = {RWTH Themen (2006)},
  journal   = {RWTH Themen (2006)},
  isbn      = {0179-079X},
  pages     = {30 -- 33},
  year      = {2006},
  language  = {de}
}