@misc{indiciaedd6ee9068656,
  title = {Orientation in birds: a final consideration.},
  author = {P Berthold},
  year = {1991},
  doi = {10.1007/978-3-0348-7208-9\_15},
  url = {https://pubmed.ncbi.nlm.nih.gov/1838521/},
  note = {Source identifier: 1838521}
}