1. The making and selling of wootz, a crucible steel of India;Bronson;Archaeomaterials,1986
2. New light on the production of crucible steel in Asia;Craddock;Bulletin of the Metals Museum,1998
3. New evidence for early crucible steel;Lang;Journal of the Historical Metallurgy Society,1998
4. IntCal09 and Marine09 radiocarbon age calibration curves, 0–50,000 years BP;Reimer;Radiocarbon,2009