@misc{indiciae329ddccc8b56,
  title = {Impacts of mute swans ( Cygnus olor ) on submerged aquatic vegetation in Illinois River Valley backwaters},
  author = {Joshua D. Stafford and Michael W. Eichholz and Adam C. Phillips},
  year = {2012},
  doi = {10.1007/s13157-012-0316-6},
  url = {https://pubs.usgs.gov/publication/70173501},
  note = {Source identifier: 70173501}
}