1. Anon (2020). “12th-century lead pollution visible in Alpine ice.” Current Archaeology June: 10.
2. Interpreting the English Village;Aston,2013
3. The potential for heavy metal soil analysis on low status archaeological sites at Shapwick, Somerset;Aston;Antiquity,1998
4. Bintliff, J.L., Davies, B.E., Gaffney, C.F., Waters, A. (1990). Trace metal accumulation in soils on and around ancient settlements in Greece. In Man’s Role in Shaping of the Eastern Mediterranean Landscape. S. Bottema, G.Entjes-Nieborg, W. van Zeist. A.A. Balkema, Rotterdam: 159–172.
5. Trace metal accumulations in soils on and around ancient settlements in Greece;Bintliff,1992