Deep Optical Spectroscopy Of Faint X-ray Sources In The 4Msec Chandra Deep Field South
Journal article published in 2015 by
M. Taormina,
E. Treister,
F. Bauer,
J. Silverman,
H. Francke,
K. Schawinski 
,
D. Alexander,
M. Urry,
W. Brandt,
Y. Xue ,
B. Luo,
C. Cardamone
,
D. Alexander,
M. Urry,
W. Brandt,
Y. Xue ,
B. Luo,
C. Cardamone
