According to: Smithsonian/NASA Astrophysics Data System (ADS)

1. Antoniou, A., Danezis, E., Lyratzi, E. and Stathopoulos, D.: “The  structure of the Si IV region in Be stars: a study of Si IV spectral lines in Be 68 stars” 26th Summer School and International Symposium on the Physics of Ionized Gases (SPIG 2012) IOP Publishing, Journal of Physics: Conference Series 399 (2012) 012021.
2. Lyratzi, E., Danezis, E., Popović, L. Č., Dimitrijević, M. S. & Antoniou, A.: “DACs and SACs in the UV Spectrum of the Quasar PG 0946+301”,19th International Conference on Spectral Line Shapes, (19 ICSLS), June 15 – 20, 2008, Valliadolid, Spain, 2008, AIPC, 1058, 323.
3. Lyratzi, E., Danezis, E., Popović, L. Č., Dimitrijević, M. S. & Antoniou, A.: “Kinematics of Broad Absorption Line Regions of PG 1254+047”, 19th International Conference on Spectral Line Shapes, (19 ICSLS), June 15 – 20, 2008, Valliadolid, Spain,, 2008, AIPC, 1058, 320.
4. Antoniou, A., Danezis, E., Lyratzi, E., Popović, L. Č., Dimitrijević, M. S., Theodosiou, E. & Katsavrias, G.: “A Study of the Structure of Different Ionization Potential Regions in the Atmosphere of AX Mon (HD 45910)”, 19th International Conference on Spectral Line Shapes, (19 ICSLS), June 15 – 20, 2008, Valliadolid, Spain, 2008, AIPC, 1058, 317.
5. Antoniou, A., Danezis, E., Lyratzi, E., Popović, L. Č., Dimitrijević, M. S., Theodosiou, E. & Stathopoulos, D.: “AX Mon (HD 45910) Kinematical Parameters in the Fe II Spectral Lines as a Function of the Excitation Potential”, 19th International Conference on Spectral Line Shapes, (19 ICSLS), June 15 – 20, 2008, Valliadolid, Spain, 2008, AIPC, 1058, 314.
6. Danezis, E., Lyratzi, E., Popović, L. Č. & Dimitrijević, M. S., Antoniou, A.: “Similarity Between DACs/SACs Phenomena in Hot Emission Stars and Quasars Absorption Lines”, 19th International Conference on Spectral Line Shapes, (19 ICSLS), June 15 – 20, 2008, Valliadolid, Spain, 2008, AIPC, 1058, 305.
7. Antoniou, A., Danezis, E., Lyratzi, E., Nikolaidis, D., Popović, L. Č. & Dimitrijević, M. S.: “Investigation of the post coronal density regions of Oe stars, through the N V UV resonance lines”, VI Serbian Conference on Spectral Line Shapes in Astrophysics (VI SCSLSA), June 2007, Sremski Karlovci, Serbia, 2007, AIPC, 938, 210.
8. Antoniou, A., Danezis, E., Lyratzi, E., Nikolaidis, D., Popović, L. Č. & Dimitrijević, M. S.: “The N IV density regions in the spectra of 20 Oe stars”, VI Serbian Conference on Spectral Line Shapes in Astrophysics (VI SCSLSA), June 2007, Sremski Karlovci, Srbia, 2007, AIPC, 938, 206.
9. Antoniou, A., Danezis, E., Lyratzi, E., Nikolaidis, D., Popović, L. Č. & Dimitrijević, M. S.: “Long term variability of the coronal and post-coronal regions of the Oe star HD 149757 (zeta Oph)”, VI Serbian Conference on Spectral Line Shapes in Astrophysics (VI SCSLSA), June 2007, Sremski Karlovci, Serbia, 2007, AIPC, 938, 198.
10. Antoniou, A., Danezis, E., Lyratzi, E., Nikolaidis, D., Popović, L. Č. & Dimitrijević, M. S.: “A statistical study of physical parameters of the C IV density regions in 20 Oe stars”, VI Serbian Conference on Spectral Line Shapes in Astrophysics (VI SCSLSA), June 2007, Sremski Karlovci, Serbia, 2007, AIPC, 938, 194.
11. Lyratzi, E., Danezis, E., Dimitrijević, M. S., Popović, L. Č., Nikolaidis, D. & Antoniou, A.: “The Evolution of Some Physical Parameters in the DACs/SACs Regions in Be Stellar Atmospheres”, VI Serbian Conference on Spectral Line Shapes in Astrophysics (VI SCSLSA), June 2007, Sremski Karlovci, Serbia, 2007, AIPC, 938, 176.
12. Danezis, E., Antoniou, A., Lyratzi, E., Popović, L. Č., Dimitrijević, M. S. & Nikolaidis, D.: “The DACs and SACs Effects From Stars to Quasars. Some First General Notices”, VI Serbian Conference on Spectral Line Shapes in Astrophysics (VI SCSLSA), June 2007, Sremski Karlovci, Serbia (Invited lecture),2007, AIPC, 938, 119.
13. Lyratzi, E., Danezis, E., Nikolaidis, D., Antoniou, A., Popović, L. Č. & Dimitijević, M. S.: “A new approach for the structure of Ha regions in 120 Be stars”, RECENT ADVANCES IN ASTRONOMY AND ASTROPHYSICS: 7^ο International Conference of the Hellenic Astronomical Society (Hel.A.S.), Kefalonia Greece, September 2005, 2006, AIPC, 848, 402.
14. Danezis, E., Nikolaidis, D., Lyratzi, E., Popović, L. Č., Dimitijević, M. S. & Antoniou, A.: “A new modelling approach for DACs and SACs regions in the atmospheres of hot emission stars”, RECENT ADVANCES IN ASTRONOMY AND ASTROPHYSICS: 7^ο International Conference of the Hellenic Astronomical Society (Hel.A.S.), Kefalonia Greece, September 2005, 2006, AIPC, 848, 380.
15. Antoniou, A., Danezis, E., Lyratzi, E., Nikolaidis, D., Popović, L. Č., Dimitijević, M. S. & Theodossiou, E.: “Long Term Variability of the Radial Velocities in the Coronal and Post-coronal Regions of the Oe Star HD 93521”, RECENT ADVANCES IN ASTRONOMY AND ASTROPHYSICS: 7^ο International Conference of the Hellenic Astronomical Society (Hel.A.S.), Kefalonia Greece, September 2005, 2006, AIPC, 848, 370.
16. Danezis, E., Koutroumanou, M., Lyratzi, E., Theodossiou, E., Stathopoulou, M., Nikolaidis, D., Antoniou, A., Drakopoulos, C. & Soulikias, A.: “Discontinuous structure of SiIV regions in the Oe star’s λ Orionis atmosphere”, 6^ο  International Conference of the Hellenic Astronomical Society (Hel.A.S.), Athens Greece, September 2003,  2004, hell.conf, 117.
17. Lyratzi, E., Danezis, E., Stathopoulou, M., Theodossiou, E., Nikolaidis, D., Antoniou, A., Drakopoulos, C., Soulikias, A. & Koutroumanou, M.: “Discontinuous phenomena in SiIV regions of BeV stars 6^ο  International Conference of the Hellenic Astronomical Society (Hel.A.S.), Athens Greece, September 2003, 2004, hell.conf, 116L.
18. Danezis, E., Antoniou, A., Lyratzi, E., Theodossiou, E., Stathopoulou, M., Nikolaidis, D., Drakopoulos, C., Soulikias, A. & Koutroumanou, M.: “Discontinuous structure and SACs phenomena in the Oe star’s HD 175754 atmosphere”, 6^ο  International Conference of the Hellenic Astronomical Society (Hel.A.S.), Athens Greece, September 2003, 2004, hell.conf, 116D.
19. Lyratzi, E., Danezis, E., Stathopoulou, M., Theodossiou, E., Nikolaidis, D., Antoniou, A., Drakopoulos, C., Soulikias, A. & Koutroumanou, M.: “Discontinuous phenomena in MgII regions of BeV stars”, 6^ο  International Conference of the Hellenic Astronomical Society (Hel.A.S.), Athens Greece, September 2003, 2004, hell.conf, 115L.

This post is also available in Greek Version.