@inproceedings{HofmannRubenzerRichter2015,
  author    = {Alexander Hofmann and Sabrina Rubenzer and Georg Richter},
  title     = {Development of a multi-grade curriculum: project “READY”},
  booktitle = {Proceedings of the 6th International Conference on Robotics in Education (RIE) 2015},
  year      = {2015},
}