@misc{indiciae4c21da261b5a,
  title = {Estimating site occupancy rates for aquatic plants using spatial sub-sampling designs when detection probabilities are less than one},
  author = {R. M. Nielson and B. R. Gray and L.L. McDonald and P.J. Heglund},
  year = {2011},
  doi = {10.1016/j.aquabot.2011.06.004},
  url = {https://pubs.usgs.gov/publication/70034460},
  note = {Source identifier: 70034460}
}