@misc{indiciae1b222189245d,
  title = {Evaluation of a reproductive index to estimate grasshopper sparrow and eastern meadowlark reproductive success},
  author = {Donald P. Althoff and P. S. Gipson and J.S. Pontius and R.D. Japuntich},
  year = {2009},
  doi = {10.2461/wbp.2009.5.6},
  url = {https://pubs.usgs.gov/publication/70036883},
  note = {Source identifier: 70036883}
}