Rovilos, E. High Energy Astrophysics, MPI for Extraterrestrial Physics, Max Planck Society;
Georgantopoulos, I., Rovilos, E., Akylas, A., & Xilouris, E. (2010). Molecular lines as tracers of Compton-thick AGN? Astronomy & Astrophysics, 520: L4, pp. 1-5. doi:10.1051/0004-6361/201015486.