anomalous diffusion

Human mobility, networks and disease dynamics on a global scale
Bunde A., Caro J., Kärger J., Vogl G. (eds) Diffusive Spreading in Nature, Technology and Society. Springer, Cham.
Human mobility and spatial disease dynamics
In Reviews of Nonlinear Dynamics and Complexity, H.G. Schuster (Ed.).
The scaling laws of human travel
Nature 439 (7075), p. 462-465