TY  - BOOK
AU  - Blandford, R. D.
AU  - Netzer, H.
AU  - Woltjer, L.
TI  - Active galactic nuclei
T2  - Saas-Fee advanced course 20, lecture notes 1990
SN  - 3-540-53285-4
PY  - 1990///
CY  - Berlin
PB  - Springer-Verlag
KW  - Active galactic nuclei
KW  - Active galaxies
KW  - Astronomy and astrophysics thesaurus
KW  - Seyfert galaxies
ER  -