References
- Cooney, S. J. N. and Watson, D. M. 2020. Response to Olsen’s question of reliability. Emu: Austral Ornithology. doi:10.1080/01584197.2020.1738256
- Olsen, P. 2020. A question of reliability. Emu: Austral Ornithology. doi:10.1080/01584197.2020.1738220