Title: Active galactic nuclei
First published: 1979
Subjects: Congresses, Galaxies, Nuclear astrophysics, Quasars, Noyaux actifs de galaxies, Astrophysique nucléaire, Congrès, Actieve sterrenstelsels, Galactic nuclei, 39.41 extragalactic systems
LC classification: QB860 .N37 1977