A review of the swifts of the genus Hirundapus (Aves: Apodidae)

@article{Collins1976ARO,
  title={A review of the swifts of the genus Hirundapus (Aves: Apodidae)},
  author={Charles T. Collins and Richard K. Brooke},
  journal={Contributions in science},
  year={1976}
}