@inproceedings{optimizinginstructionalpolicies,
  title = {Optimizing Instructional Policies},
  author = {Robert V. Lindsey and Michael C. Mozer and William J. Huggins and Harold Pashler},
  year = {2013},
  booktitle = {NeurIPS 2013 12},
  url = {http://papers.nips.cc/paper/4887-optimizing-instructional-policies},
}