Davies, S., Cage, A. G., Wastegård, S., & Austin, W. E. (2011). Identification of the Icelandic Landnám tephra (AD 871 ± 2) in Scottish fjordic sediment. Quaternary International, 246(1-2), pp. 168-176. doi:10.1016/j.quaint.2011.08.016

Davies, Siwan, Alix G. Cage, Stefan Wastegård, and William E.N Austin. "Identification of the Icelandic Landnám Tephra (AD 871 ± 2) in Scottish Fjordic Sediment." Quaternary International 246, no. 1-2 (2011): 168-176.

Davies, Siwan, Alix G. Cage, Stefan Wastegård, and William E.N Austin. "Identification of the Icelandic Landnám Tephra (AD 871 ± 2) in Scottish Fjordic Sediment." Quaternary International 246.1-2 (2011): 168-176.