@article{positionindexedformulationsforkidney,
  title = {Position-Indexed Formulations for Kidney Exchange},
  author = {John P. Dickerson and David F. Manlove and Benjamin Plaut and Tuomas Sandholm and James Trimble},
  year = {2016},
  eprint = {1606.01623},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1606.01623v2},
}