@techreport{Verhoef-2004-2949,
  author = {Verhoef, J and Eecen, P and Nijdam, R and Korterink, H and Scholtens, H},
  title = {WT-Bird: A Low Cost Solution for Detecting Bird Collisions},
  institution = {Energy Research Centre of the Netherlands (ECN)},
  year = {2004},
  month = {apr},
  number = {ECN-CX--03-091},
  url = {http://www.ecn.nl/docs/library/report/2004/c04046.pdf},
  keywords = {Wind Energy, Birds},
}