@misc{indiciae5969bec3cdc6,
  title = {Persistence in population models with demographic fluctuations.},
  author = {T G Hallam and M Zhien},
  year = {1986},
  doi = {10.1007/bf00275641},
  url = {https://pubmed.ncbi.nlm.nih.gov/3760721/},
  note = {Source identifier: 3760721}
}