@misc{indiciaed1b116d47a5e,
  title = {Empirical comparison of uniform and non-uniform probability sampling for estimating numbers of red-cockaded woodpecker colonies},
  author = {P.H. Geissler and L.M. Moyer},
  year = {1983},
  url = {https://pubs.usgs.gov/publication/5221858},
  note = {Source identifier: 5221858}
}