@techreport{Whitfield-2006-3116,
  author = {Whitfield, D and Madders, M},
  title = {Deriving Collision Avoidance Rates for Red Kites Milvus milvus},
  institution = {Natural Research Ltd},
  year = {2006},
  month = {aug},
  url = {http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.466.8888},
  keywords = {Wind Energy, Land-Based Wind, Raptors, Birds},
}