@techreport{Zehtindjiev-2012-3868,
  author = {Zehtindjiev, P and Whitfield, D},
  title = {Bird Migration Monitoring in the AES Geo Power Wind Park Territory, Kaliakra Region, in Autumn 2012, and Analysis of Potential Impact after Three Years' Operation},
  institution = {Bulgarian Academy of Sciences},
  year = {2012},
  month = {nov},
  url = {http://www.aesgeoenergy.com/site/images/Bird%20Migration%20-%20Autumn%202012.pdf},
  keywords = {Wind Energy, Land-Based Wind, Habitat Change, Collision, Avoidance, Birds},
}