Monitoring of AO 0235+164 during a faint state
Journal article published in 1998 by
L. O. Takalo,
A. Sillanpaeae,
E. Valtaoja,
S. Katajainen,
K. Nilsson,
T. Pursimo,
P. Heinaemaeki,
M. Villata,
C. M. Raiteri 
,
G. Ghisellini,
G. de Francesco,
L. Lanteri,
M. Chiaberge,
A. Peila,
P. Boltwood
and other authors.
,
G. Ghisellini,
G. de Francesco,
L. Lanteri,
M. Chiaberge,
A. Peila,
P. Boltwood
and other authors.
