TY  - BOOK
AU  - Battrick, B ., ed.
AU  - Hunt, J., ed.
ED  - ESLAB Symposium on Two Topics in X-Ray Astronomy, vol. 2
TI  - AGN and X-Ray background: proceedings of the 23rd ESLAB symposium on two topics in X-Ray astronomy, vol. 2, held in Bologna, Italy, 13-20 Sept 1989
T2  - ESA SP-296; v. 2
SN  - 92-9092-026-2
PY  - 1989///
CY  - France
PB  - European Space Agency
KW  - Active galactic nuclei
KW  - Astronomy and astrophysics thesaurus
KW  - X-ray astronomy
ER  -