@article{Ritz2000a,
  author = {Ritz and Adem and Schulten},
  title = {A Model for Photoreceptor-Based Magnetoreception in Birds},
  journal = {Biophysical Journal},
  year = {2000},
  doi = {10.1016/S0006-3495(00)76629-X},
  url = {https://doi.org/10.1016/S0006-3495(00)76629-X}
}

@article{Xu2021songbird,
  author = {Xu and Jarocha and Zollitsch and others},
  title = {Magnetic sensitivity of cryptochrome 4 from a migratory songbird},
  journal = {Nature},
  year = {2021},
  doi = {10.1038/s41586-021-03618-9},
  url = {https://doi.org/10.1038/s41586-021-03618-9}
}