East Greenland ice core dust record reveals timing of Greenland ice sheet advance and retreat.

Marius Folden Simonsen, Giovanni Baccolo, Thomas Blunier, Alejandra Borunda, Barbara Delmonte, Robert Frei, Steven Goldstein, Aslak Grinsted, Helle Astrid Kjær, Todd A. Sowers, Anders Svensson, Bo Møllesøe Vinther, Diana Vladimirova, Gisela Winckler, Mai Winstrup, Paul Travis Vallelonga