TY  - BOOK
AU  - Hazard, C., ed.
AU  - Mitton, S., ed.
TI  - Active galactic nuclei
SN  - 0-521-22494-2
PY  - 1979///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Galaxies
KW  - Nuclear astrophysics
KW  - Quasars
ER  -