K. Grnvold, N. óskarsson, S. J. Johnsen, H. B. Clausen, C. U. Hammer, G. Bond and E. Bard, “Ash Layers from Iceland in the Greenland GRIP Ice Core Correlated with Oceanic and Land Sediments,” Earth and Planetary Science Letters, Vol. 135, No. 1-4, 1995, pp. 149-155. doi10.1016/0012-821XNo. 95)00145-3 - References - Scientific Research Publishing