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biostor.org
Goodman, Steven M. (1994). Description of a New Species of Subfossil Eagle from Madagascar: Stephanoaetus (Aves: Falconiformes) from the Deposits of Ampasambazimba. Proceedings of the Biological Society of Washington 107(3): 421–428 ISSN 0006-324X [1][2]
web.archive.org
Goodman, Steven M. (1994). Description of a New Species of Subfossil Eagle from Madagascar: Stephanoaetus (Aves: Falconiformes) from the Deposits of Ampasambazimba. Proceedings of the Biological Society of Washington 107(3): 421–428 ISSN 0006-324X [1][2]
