@article{clustersofdrivingbehaviorfrom,
  title = {Clusters of Driving Behavior from Observational Smartphone Data},
  author = {Josh Warren and Jeff Lipkowitz and Vadim Sokolov},
  year = {2017},
  eprint = {1710.04502},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1710.04502v3},
}