@article{Borkenhagen-2017-1358432,
  author = {Borkenhagen, K and Corman, A and Garthe, S},
  title = {Estimating flight heights of seabirds using optical rangefinders and GPS data loggers: a methodological comparison},
  journal = {Marine Biology},
  year = {2017},
  month = {dec},
  publisher = {Springer},
  volume = {165},
  number = {17},
  doi = {10.1007/s00227-017-3273-z},
  url = {https://link.springer.com/article/10.1007/s00227-017-3273-z},
  keywords = {Wind Energy, Fixed Offshore Wind, Avoidance, Collision, Habitat Change, Birds, Seabirds},
}