TY - BOOK AU - Hazard, C [ed.] AU - Mitton, S [ed.] TI - Active galactic nuclei : based on the proceedings of a NATO advanced study institute held at the institute of astronomy, university of Cambridge, August 1977 SN - 0521224942 U1 - 523.112 PY - 1979/// CY - Cambridge PB - Cambridge University Press KW - Quasars -- Congresses KW - Nuclear astrophysics -- Congresses ER -