@misc{indiciae7cc9131f5227,
  title = {Systematics and evolution of the Gruiformes (Class Aves). 2, Additional comments on the Bathornithidae, with descriptions of new species — Illustration, Page 4},
  year = {1971},
  url = {https://www.biodiversitylibrary.org/page/62938848},
  note = {Source identifier: page-62938848}
}