@misc{indiciaeedd408af8b1f,
  title = {Effects of radio transmitters on nesting captive mallards},
  author = {Robert A. Houston and Raymond J. Greenwood},
  year = {1993},
  doi = {10.2307/3809069},
  url = {https://pubs.usgs.gov/publication/1001170},
  note = {Source identifier: 1001170}
}