1. The earthquake guarding system - Alexisismon;Ikonomou;Technika Chronika,1972
2. The Alexisismon: an application to a building structure;Ikonomou,1979
3. The Alexisismon: applications to a building structure and to a power plant;Ikonomou,1981
4. The Alexisismon: A study for its application to a power plant structure;Ikonomou,1981
5. Seismic isolation with the Alexisismon of a bridge, a power plant and a building;Ikonomou,1982