Bird Remains Identification System: Rachidial structures of feathers and their potential use for determination purposes. 20th Meeting Bird Strike Committee Europe (Helsinki). Working Paper 5: 45.

Literature

Authors(s)	Perremans, K.
Year	1990b
Title	Rachidial structures of feathers and their potential use for determination purposes. 20th Meeting Bird Strike Committee Europe (Helsinki). Working Paper 5: 45.