The faint galaxy contribution to the X-ray background.
Proceedings article published in 1996 by
T. Shanks 
,
O. Almaini ,
B.~J J. Boyle,
R. Della-Ceca,
C. Done,
I. Georgantopoulos,
R.~E E. Griffiths,
S.~J J. Rawlings,
N. Roche,
G.~C C. Stewart
,
O. Almaini ,
B.~J J. Boyle,
R. Della-Ceca,
C. Done,
I. Georgantopoulos,
R.~E E. Griffiths,
S.~J J. Rawlings,
N. Roche,
G.~C C. Stewart
