@misc{indiciae924ea60d9fb2,
  title = {Assemblages of breeding birds as indicators of grassland condition},
  author = {S.F. Browder and Douglas H. Johnson and I.J. Ball},
  year = {2002},
  doi = {10.1016/s1470-160x(02)00060-2},
  url = {https://pubs.usgs.gov/publication/70023953},
  note = {Source identifier: 70023953}
}