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Φικίρης Ι. Φ.; Ντουνιάς Γ.Θ.; Λυμπέρης Ε. (2006). Η Θεμελίωση της Γέφυρας Βοτονοσίου [The Foundation of Votonosi Bridge] (PDF). library.tee.gr (in Greek). 5th Panhellenic Congress of Geotechnical & Geoenvironmental Engineering.