@misc{indiciaec42fdac90cd2,
  title = {Density and success of bird nests relative to grazing on western Montana grasslands},
  author = {Thomas F. Fondell and I.J. Ball},
  year = {2004},
  doi = {10.1016/s0006-3207(03)00293-3},
  url = {https://pubs.usgs.gov/publication/70027296},
  note = {Source identifier: 70027296}
}