@article{alessandretti2017multi,
  title={Multi-scale spatio-temporal analysis of human mobility},
  author={Alessandretti, Laura and Sapiezynski, Piotr and Lehmann, Sune and Baronchelli, Andrea},
  journal={PloS one},
  volume={12},
  number={2},
  pages={e0171686},
  year={2017},
  publisher={Public Library of Science}
}