Columbia subject headings:
Harvard subject headings:
Accretion (Astrophysics)--Congresses.
Compact objects (Astronomy)--Congresses.
EXOSAT (Artificial satellite)--Congresses.
X-ray astronomy--Congresses
Princeton subject headings:
Accretion (Astrophysics)--Congresses.
EXOSAT (Artificial satellite)--Congresses.
X-ray astronomy--Congresses.