@techreport{Zehtindjiev-2021-1118428,
  author = {Zehtindjiev, P and Whitfield, D},
  title = {Monitoring of geese in the territory of Integrated System for Protection of Birds, Winter 2020-2021},
  institution = {Bulgarian Academy of Sciences},
  year = {2021},
  month = {mar},
  url = {https://img1.wsimg.com/blobby/go/1a109f6d-5fe3-4ff5-bcf3-17602b59ac27/downloads/2020-2021%20Report_Winter%20Monitoring_ENG.pdf?ver=1627384417572},
  keywords = {Wind Energy, Land-Based Wind, Collision, Displacement, Birds, Waterfowl},
}