Swindles, G., Galloway, J., Outram, Z., Turner, K., Schofield, J., Newton, A., …Bashford, D. (2013). Re-deposited cryptotephra layers in Holocene peats linked to anthropogenic activity. Holocene, 23(10), 1493-1501. https://doi.org/10.1177/0959683613489586