@misc{indiciaef554bb4d9c69,
  title = {Epidemic models with spatial spread due to population migration.},
  author = {S N Busenberg and C C Travis},
  year = {1983},
  doi = {10.1007/bf00276056},
  url = {https://pubmed.ncbi.nlm.nih.gov/6827187/},
  note = {Source identifier: 6827187}
}