@misc{indiciae6c0171ddce6f,
  title = {Potential roadside biases due to habitat changes along Breeding Bird Survey routes},
  author = {C.M.E. Keller and J.T. Scallan},
  year = {1999},
  doi = {10.2307/1370445},
  url = {https://pubs.usgs.gov/publication/5223808},
  note = {Source identifier: 5223808}
}