@misc{indiciae986763e8ae4b,
  title = {Renesting Characteristics of Captive Mallards on Experimental Ponds},
  author = {G.A. Swanson and T.L. Shaffer and J.F. Wolf and F.B. Lee},
  year = {1986},
  doi = {10.2307/3801484},
  url = {https://pubs.usgs.gov/publication/70208721},
  note = {Source identifier: 70208721}
}