Ancient technology (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ancient technology" in English language version.

refsWebsite
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low place
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about.com

archaeology.about.com

archive.org

bbc.com

books.google.com

britannica.com

  • "Screw". Encyclopædia Britannica online. The Encyclopaedia Britannica Co. 2011. Retrieved 2011-03-24.

eartharchitecture.org

jstor.org

  • Ward English, Paul (June 21, 1968). "The Origin and Spread of Qanats in the Old World". Proceedings of the American Philosophical Society. 112 (3). JSTOR: 170–181. JSTOR 986162.

persianempires.com

psu.edu

live.psu.edu

unesco.org

whc.unesco.org

web.archive.org