Mayewski, Paul A, S B Sneed, S D Birkel, Andrei V Kurbatov, and Kirk A Maasch. 2014. “Holocene Warming Marked by Abrupt Onset of Longer Summers and Reduced Storm Frequency Around Greenland.” Journal of Quaternary Science 29 (1): 99–104. doi:10.1002/jqs.2684.