@misc{indiciae681aaa3a53ab,
  title = {Statistical concepts: Estimating absolute densities of tigers using capture-recapture sampling},
  author = {J.D. Nichols and K. U. Karanth},
  year = {2002},
  url = {https://pubs.usgs.gov/publication/5211183},
  note = {Source identifier: 5211183}
}