Omrani Rekavandi, H., Sauer, E., Wilkinson, T. & Nokandeh, J. (2008), The enigma of the red snake: revealing one of the world’s greatest frontier walls, [1] Current World Archaeology, 27, februar/marec 2008, str. 12-22, PDF 5.3 MB [2]Arhivirano 2015-09-24 na Wayback Machine., str. 13.
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Omrani Rekavandi, H., Sauer, E., Wilkinson, T. & Nokandeh, J. (2008), The enigma of the red snake: revealing one of the world’s greatest frontier walls, [1] Current World Archaeology, 27, februar/marec 2008, str. 12-22, PDF 5.3 MB [2]Arhivirano 2015-09-24 na Wayback Machine., str. 13.
Omrani Rekavandi, H., Sauer, E., Wilkinson, T. & Nokandeh, J. (2008), The enigma of the red snake: revealing one of the world’s greatest frontier walls, [1] Current World Archaeology, 27, februar/marec 2008, str. 12-22, PDF 5.3 MB [2]Arhivirano 2015-09-24 na Wayback Machine., str. 13.