Stewart, Iain (25 October 2000). "Echoes of Atlantis". Theguardian.com. Archived from the original on 19 August 2017. Retrieved 18 August 2017 – via The Guardian.
Stewart, Iain (25 October 2000). "Echoes of Atlantis". Theguardian.com. Archived from the original on 19 August 2017. Retrieved 18 August 2017 – via The Guardian.