Somme special information about GR model
The problem of DAC and BAL phenomena in the UV spectra of Hot Emission Stars and Quasars respectively.
E. Danezis, E. Lyratzi, A. Antoniou, D. Stathopoulos, D. Tzimeas
Astrophysical Spectroscopy Team
National and Kapodistrian University of Athens
(http://www.spectroscopyteam.edu.gr/index.php/educational-material)