@misc{indiciaec2378b7c37c9,
  title = {Techniques for estimating abundance and species richness: Estimation of species richness},
  author = {J.D. Nichols and M.J. Conroy},
  year = {1996},
  url = {https://pubs.usgs.gov/publication/5210801},
  note = {Source identifier: 5210801}
}