Howard, Hildegarde 1952. The prehistoric avifauna of Smith Creek Cave, Nevada, with a description of a new gigantic raptor. Bull. S. Calif. Acad. Sci. 51: 50–54. [2]
pnas.org
Chatterjee, Sankar et al 2007. The aerodynamics of Argentavis, the world’s largest flying bird from the Miocene of Argentina. Ameginiana104 (30): 12398–12403. [1]Archived 2015-09-24 at the Wayback Machine
web.archive.org
Chatterjee, Sankar et al 2007. The aerodynamics of Argentavis, the world’s largest flying bird from the Miocene of Argentina. Ameginiana104 (30): 12398–12403. [1]Archived 2015-09-24 at the Wayback Machine
