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Ferrer, Miguel; Calderón, Juan (1990). "The Spanish imperial eagle Aquila adalberti C. L. Brehm 1861 in Doñana National Park (South West Spain): A study of population dynamics". Biological Conservation. 51 (2): 151–161. Bibcode:1990BCons..51..151F. doi:10.1016/0006-3207(90)90109-3.
Tintó, A.; Real, J.; Mañosa, S. (2010). "Predicting and correcting electrocution of birds in Mediterranean areas". Journal of Wildlife Management. 74 (8): 1852–1862. Bibcode:2010JWMan..74.1852T. doi:10.2193/2009-521.
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Padilla et al. 1999 Padilla, J. A.; Martinez-Trancón, M.; Rabasco, A. & Fernández-García, J. L. (1999). "The karyotype of the Iberian imperial eagle (Aquila adalberti) analyzed by classical and DNA replication banding". Cytogenetics and Cell Genetics. 84 (1–2): 61–66. doi:10.1159/000015216. PMID10343105. S2CID41181626.
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Padilla et al. 1999 Padilla, J. A.; Martinez-Trancón, M.; Rabasco, A. & Fernández-García, J. L. (1999). "The karyotype of the Iberian imperial eagle (Aquila adalberti) analyzed by classical and DNA replication banding". Cytogenetics and Cell Genetics. 84 (1–2): 61–66. doi:10.1159/000015216. PMID10343105. S2CID41181626.