共 17 条
[2]
BEGELMAN MC, 1984, REV MOD PHYS, V56, P225
[3]
THE COSMIC X-RAY-BACKGROUND
[J].
PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS,
1987, 146 (04)
:215-257
[4]
BURBIDGE G, 1987, AJ, V92, P1
[6]
DANESE L, 1986, ASTRON ASTROPHYS, V161, P1