@misc{indiciaeeaaf9e4be923,
  title = {Birds of Isle Royale in Lake Superior},
  author = {L.W. Krefting and F.B. Lee and P.C. Shelton and K.T. Gilbert},
  year = {1966},
  url = {https://pubs.usgs.gov/publication/2000090},
  note = {Source identifier: 2000090}
}