@techreport{Zehtindjiev-2011-2608,
  author = {Zehtindjiev, P and Whitfield, D},
  title = {Monitoring of Wintering Geese in the AES Geo Energy Wind Farm "Sveti Nikola" Territory and the Kaliakra Region in Winter 2010/2011},
  institution = {AES Geo Energy},
  year = {2011},
  month = {jan},
  url = {http://www.aesgeoenergy.com/site/images/wintering%20bird%20monitoring%20study%202010-2011.pdf},
  keywords = {Wind Energy, Land-Based Wind, Birds},
}