@misc{indiciae85f2a8d8f4cd,
  title = {Systematics and evolution of the Gruiformes (Class Aves). 2, Additional comments on the Bathornithidae, with descriptions of new species — Illustration, Page 11},
  year = {1971},
  url = {https://www.biodiversitylibrary.org/page/62938855},
  note = {Source identifier: page-62938855}
}