%0 Journal Article %T Wadi el-Sheikh: A new archaeological investigation of ancient Egyptian chert mines %A E. Christiana K£¿hler %A Elizabeth Hart %A Michael Klaunzer %J Archive of "PLoS ONE". %D 2017 %R 10.1371/journal.pone.0170840 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5289477/