Thornton, C.; Lamberg-Karlovsky, C.C.; Liezers, M.; Young, S.M.M. (2002). „On pins and needles: tracing the evolution of copper-based alloying at Tepe Yahya, Iran, via ICP-MS analysis of Common-place items.”. Journal of Archaeological Science. 29 (12): 1451—60. doi:10.1006/jasc.2002.0809.