@inproceedings{HofmannRubenzerRichter,
  author    = {Hofmann, Alexander and Rubenzer, Sabrina and Richter, Georg},
  title     = {Development of a multi-grade curriculum: project "READY"},
  series = {Proceedings of the 6th International Conference on Robotics in Education (RIE) 2015},
  booktitle = {Proceedings of the 6th International Conference on Robotics in Education (RIE) 2015},
  subject      = {Education},
  language  = {en}
}
@misc{RubenzerRichterHofmann,
  author    = {Rubenzer, Sabrina and Richter, Georg and Hofmann, Alexander},
  title     = {Robotics peer-to-peer teaching summer school project involving university students, summer interns and middle school students},
  subject      = {Robotics},
  language  = {en}
}
@inproceedings{RubenzerRichterHofmann,
  author    = {Rubenzer, Sabrina and Richter, Georg and Hofmann, Alexander},
  title     = {Robotics peer-to-peer teaching summer school project involving university students, summer interns and middle school students},
  series = {International Conference on Robotics and Education (RIE 2017)},
  booktitle = {International Conference on Robotics and Education (RIE 2017)},
  subject      = {Robotics},
  language  = {en}
}
@misc{HofmannRubenzerRichter,
  author    = {Hofmann, Alexander and Rubenzer, Sabrina and Richter, Georg},
  title     = {Development of a multi-grade curriculum: project "READY"},
  subject      = {Education},
  language  = {en}
}