@article{preferencebasedteaching,
  title = {Preference-based Teaching},
  author = {Zi-Yuan Gao and Christoph Ries and Hans Ulrich Simon and Sandra Zilles},
  year = {2017},
  eprint = {1702.02047},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1702.02047v2},
}