- Hermans 1996
- Identification of bird remains after bird airplane collisions, based on DNA sequence analysis. 23rd meeting Bird Strike Committee Europe (London). Working Paper 19: 203-207.
- Horton 1990
- Distinguishing between ducks, geese and swans by means of feather micro-biometrics. 20th Meeting Bird Strike Committee Europe (Helsinki). Working Paper 32: 327-337.