@misc{indiciae9fda2a04f0da,
  title = {Measles metapopulation dynamics: a gravity model for epidemiological coupling and dynamics.},
  author = {Yingcun Xia and Ottar N Bjørnstad and Bryan T Grenfell},
  year = {2004},
  doi = {10.1086/422341},
  url = {https://pubmed.ncbi.nlm.nih.gov/15278849/},
  note = {Source identifier: 15278849}
}