@article{Prinsloo-2021-1246503,
  author = {Prinsloo, N and Postma, M and Ryan, P and Coetzee, M and Nico de Bruyn, P},
  title = {Estimating bird flight height using 3-D photogrammetry},
  journal = {Journal of zoology},
  year = {2021},
  month = {apr},
  publisher = {The Zoological Society of London},
  volume = {314},
  number = {3},
  pages = {174--186},
  doi = {10.1111/jzo.12879},
  url = {https://zslpublications.onlinelibrary.wiley.com/doi/full/10.1111/jzo.12879},
  keywords = {Wind Energy, Collision, Birds},
}