de Boer 1975. de Boer, L. E. M. (1975). "Karyological heterogeneity in the Falconiformes (aves)". Cellular and Molecular Life Sciences. 31 (10): 1138–1139. doi:10.1007/BF02326755. PMID1204722.
Federico et al. 2005. Federico, Concetta; Cantarella, Catia Daniela; Scavo, Cinzia; Saccone, Salvatore; Bed'hom, Bertrand; Bernardi, Giorgio (2005). "Avian genomes: Different karyotypes but a similar distribution of the GC-richest chromosome regions at interphase". Chromosome Research. 13 (8): 785–793. doi:10.1007/s10577-005-1012-7. PMID16331410. S2CID32893842.
de Boer 1975. de Boer, L. E. M. (1975). "Karyological heterogeneity in the Falconiformes (aves)". Cellular and Molecular Life Sciences. 31 (10): 1138–1139. doi:10.1007/BF02326755. PMID1204722.
Federico et al. 2005. Federico, Concetta; Cantarella, Catia Daniela; Scavo, Cinzia; Saccone, Salvatore; Bed'hom, Bertrand; Bernardi, Giorgio (2005). "Avian genomes: Different karyotypes but a similar distribution of the GC-richest chromosome regions at interphase". Chromosome Research. 13 (8): 785–793. doi:10.1007/s10577-005-1012-7. PMID16331410. S2CID32893842.
Federico et al. 2005. Federico, Concetta; Cantarella, Catia Daniela; Scavo, Cinzia; Saccone, Salvatore; Bed'hom, Bertrand; Bernardi, Giorgio (2005). "Avian genomes: Different karyotypes but a similar distribution of the GC-richest chromosome regions at interphase". Chromosome Research. 13 (8): 785–793. doi:10.1007/s10577-005-1012-7. PMID16331410. S2CID32893842.