Hobbs, Laura, Gilbert, Jennie, Lane, Steve, Loughlin, Sue, "Interactions of volcanic airfall and glaciers: Appendix B to: Jenkins SF, Wilson TM, Magill CR, Miller V, Stewart C, Marzocchi W and Boulton M, 2014. Volcanic ash fall hazard and risk: technical background paper for the UNISDR 2015 Global Assessment Report on Disaster Risk Reduction", , 2014