Longrich, N. R., Tokaryk, T., & Field, D. J. (2011). Mass extinction of birds at the Cretaceous–Paleogene (K–Pg) boundary. National Academy of Sciences.
Citação norma ChicagoLongrich, Nicholas R., Tim Tokaryk, and Daniel J. Field. Mass Extinction of Birds At the Cretaceous–Paleogene (K–Pg) Boundary. National Academy of Sciences, 2011.
Deismireacht MLALongrich, Nicholas R., Tim Tokaryk, and Daniel J. Field. Mass Extinction of Birds At the Cretaceous–Paleogene (K–Pg) Boundary. National Academy of Sciences, 2011.
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