Literature
  • Sibley, Ahlquist 1990
  • Phylogeny and classification of birds. New Haven, Conn. 976 pp.
  • Leshem 1992
  • Predicting regularity of bird migration in global bottleneck areas, on a daily, seasonal and yearly scale, and its implementation in Israel air force and civillian flight. 21th Meeting Bird Strike Committee Europe (Jerusalem). pp. 243-258.
  • Laybourne, Dove 1994
  • Preparation of birdstrike remains for identification. 22nd meeting Bird Strike Committee Europe (Vienna). Working Paper 93: 529-534.
  • Brom, Wattel 1990
  • Proposal for the establishment of a European centre for the identification of bird remains. 20th meeting Bird Strike Committee Europe (Helsinki). Working Paper 24: 223-234.