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Skayannis, Pantoleon; Kaparos, George; et al. (February 2010). "Project Profile: Greece: Athens Metro (Attiko Metro)"(PDF). Bartlett School of Planning: Omega Centre. London: University College London. Archived from the original(PDF) on 6 November 2022. Retrieved 6 November 2022.
"AMEL S.A."Attiko Metro Operation Company. Athens. 24 January 2008. Archived from the original on 16 September 2008. Retrieved 6 November 2022.
"Sirio Atene"(PDF). AnsaldoBreda. Napoli: Finmeccanica. 8 February 2011. Archived from the original(PDF) on 17 September 2013. Retrieved 2 October 2022.
"Profile". Tram S.A. Elliniko: STASY. 20 July 2011. Archived from the original on 22 July 2011. Retrieved 7 November 2022. "Contact". Tram S.A. Elliniko: STASY. 14 November 2011. Archived from the original on 14 November 2011. Retrieved 7 November 2022.
Delezos, Kostas; Renieris, Antonis (14 November 2000). "To… Dafni by Metro". Ta Nea (in Greek). Athens: Alter Ego Media. Archived from the original on 19 October 2022. Retrieved 20 October 2022. The source reported that the opening ceremony took place at 12:00 on 15 November 2000, with the public being able to use the extension from 18:00 the same day.
Axarlis, Nikos (March 1998). "Tunnel Canceled". Archaeology. Long Island City: Archaeological Institute of America. Archived from the original on 11 November 2022. Retrieved 11 November 2022.
Klonos, Artemis (29 July 2013). "Athens metro reaches Elliniko". International Railway Journal. Omaha: Simmons-Boardman Publishing. Archived from the original on 18 October 2022. Retrieved 18 October 2022.