Sherlock, J. C; Smart, G. A; Walters, B; Evans, W. H; McWeeny, D. J; Cassidy, W (1983). "Dietary surveys on a population at Shipham, Somerset, United Kingdom". The Science of the Total Environment. 29 (1–2): 121–42. doi:10.1016/0048-9697(83)90038-4. PMID6612322.
"Singing River Mine". The Mine Explorer Society web site. Retrieved 30 June 2006.
nih.gov
pubmed.ncbi.nlm.nih.gov
Sherlock, J. C; Smart, G. A; Walters, B; Evans, W. H; McWeeny, D. J; Cassidy, W (1983). "Dietary surveys on a population at Shipham, Somerset, United Kingdom". The Science of the Total Environment. 29 (1–2): 121–42. doi:10.1016/0048-9697(83)90038-4. PMID6612322.