@techreport{Zehtindjiev-2017-1804,
  author = {Zehtindjiev, P},
  title = {Bird migration monitoring in the Saint Nikola Wind Farm, Kaliakra region, in autumn 2017, and an analysis of potential impact after eight years of operation},
  institution = {Bulgarian Academy of Sciences},
  year = {2017},
  month = {nov},
  url = {http://www.aesgeoenergy.com/site/images/Autumn%20Monitoring%202017.pdf},
  keywords = {Wind Energy, Land-Based Wind, Birds},
}