A deep ROSAT survey - IV. The evolution of X-ray selected QSOs
Boyle, B. J., Shanks, T., Georgantopoulos, I., Stewart, G. C., Griffiths, R. E.Volume:
271
Language:
english
Journal:
Monthly Notices of the Royal Astronomical Society
DOI:
10.1093/mnras/271.3.639
Date:
December, 1994
File:
PDF, 232 KB
english, 1994