The HST census of Nuclear Star Clusters - Statistics and first spectra
Journal article published in 2001 by
T. Boeker,
S. Laine,
R. P. van der Marel 
,
M. Sarzi,
H.-W. Rix,
L. C. Ho,
J. C. Shields
,
M. Sarzi,
H.-W. Rix,
L. C. Ho,
J. C. Shields
