@article{unknown2005multiscale,
  title={Multiscale, resurgent epidemics in a hierarchical metapopulation model},
  author={Duncan J. Watts and Roby Muhamad and Daniel C. Medina and Peter Sheridan Dodds},
  journal={Proceedings of the National Academies of Science},
  volume={102},
  pages={11157-11162},
  journalpage={http://www.pnas.org/content/102/32/11157.short},
  year={2005},
  citations={}
}