The scaling laws of human travel

@article{Brockmann2006TheSL,
  title={The scaling laws of human travel},
  author={Dirk Brockmann and Lars Hufnagel and Theo Geisel},
  journal={Nature},
  year={2006},
  volume={439},
  pages={462-465}
}
The dynamic spatial redistribution of individuals is a key driving force of various spatiotemporal phenomena on geographical scales. It can synchronize populations of interacting species, stabilize them, and diversify gene pools. Human travel, for example, is responsible for the geographical spread of human infectious disease. In the light of increasing international trade, intensified human mobility and the imminent threat of an influenza A epidemic, the knowledge of dynamical and statistical… 

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