@techreport{Zehtindjiev-2010-2609,
  author = {Zehtindjiev, P and Whitfield, D},
  title = {Bird migration monitoring in the AES Geo Power Wind Park territory, Kaliakra region, in autumn 2010},
  institution = {AES Geo Energy},
  year = {2010},
  month = {jan},
  url = {http://www.aesgeoenergy.com/site/images/Bird_Migration_autumn_2010.pdf},
  keywords = {Wind Energy, Land-Based Wind, Passerines, Birds},
}