Andrews J. T., Kristjansdottir G. B., Eberl D. D. and Jennings A. (2013) “A quantitative X-ray diffraction inventory of the tephra and volcanic glass inputs into the Holocene marine sediment archives off Iceland: A contribution to V.A.S.T.”, Polar Research, 320. doi: 10.3402/polar.v32i0.11130.