@misc{indiciaee076e248532d,
  title = {Fifteenth breeding-bird census. 27. Lightly grazed pasture},
  author = {R. E. Stewart and C.S. Robbins},
  year = {1951},
  url = {https://pubs.usgs.gov/publication/5220108},
  note = {Source identifier: 5220108}
}