@misc{indiciae48330a248c7b,
  title = {Effects of DDT on bird population of scrub forest},
  author = {C.S. Robbins and R. E. Stewart},
  year = {1949},
  doi = {10.2307/3796121},
  url = {https://pubs.usgs.gov/publication/5221337},
  note = {Source identifier: 5221337}
}