See:
- George E. Bean, Aegean Turkey, London Benn Ltd., 1966, p.112-115
- John Lascelles, Troy: The World Deceived : Homer's Guide to Pergamum: Resolve an Ancient Mystery at Bergama and Truva in Western Turkey, Trafford Publishing, 2005, [ Dema Liman - Ancient Elaea]
- https://www.academia.edu/12997764/Elaia_der_maritime_Satellit_Pergamons