(en) P. D. Jones, M. New, D. E. Parker, S. Martin et I. G. Rigor, «Surface Air Temperature and Its Changes Over the Past 150 Years», Reviews of Geophysics, vol.37, no2, , p.173–199 (ISSN8755-1209, lire en ligne[PDF]).
Orcutt, J. D., & Hopkins, S. S. (2013). Oligo-Miocene climate change and mammal body-size evolution in the northwest United States: a test of Bergmann's Rule. Paleobiology, 39(4), 648-661. («résumé»(Archive.org • Wikiwix • Que faire?)).
(en) P. D. Jones, M. New, D. E. Parker, S. Martin et I. G. Rigor, «Surface Air Temperature and Its Changes Over the Past 150 Years», Reviews of Geophysics, vol.37, no2, , p.173–199 (ISSN8755-1209, lire en ligne[PDF]).
Orcutt, J. D., & Hopkins, S. S. (2013). Oligo-Miocene climate change and mammal body-size evolution in the northwest United States: a test of Bergmann's Rule. Paleobiology, 39(4), 648-661. («résumé»(Archive.org • Wikiwix • Que faire?)).
Orcutt, J. D., & Hopkins, S. S. (2013). Oligo-Miocene climate change and mammal body-size evolution in the northwest United States: a test of Bergmann's Rule. Paleobiology, 39(4), 648-661. («résumé»(Archive.org • Wikiwix • Que faire?)).