Robinson, M.; Dowsett, H.J.; Chandler, M.A. "Pliocene role in assessing future climate impacts". Eos, Transactions, American Geophysical Union. 89 (49). 2008: 501–502. Bibcode:2008EOSTr..89..501R. doi:10.1029/2008eo490001.
harvard.edu
ui.adsabs.harvard.edu
Robinson, M.; Dowsett, H.J.; Chandler, M.A. "Pliocene role in assessing future climate impacts". Eos, Transactions, American Geophysical Union. 89 (49). 2008: 501–502. Bibcode:2008EOSTr..89..501R. doi:10.1029/2008eo490001.