Literature
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- Brom, T. G. 1991a. The diagnostic and phylogenetic significance of feather structures. Published thesis, University of Amsterdam.
- Dunning, J. B. Jr. (ed.). 1993. CRC Handbook of Avian Body Masses. CRC Press, Boca Raton, Florida. 371 pp.
- Robertson, J., C. Harkin and J. Govan 1984. The Identification of Bird Feathers. Scheme for Feather Examination. Journal of the Forensic Science Society 24: 85-98.
- Shamoun, J. and Y. Yom-Tov [ 1995. ]. The Microstructure of Feathers of Israeli Birds. Publ. Tel Aviv University, 302 pp.