Spitzer Images and Spectroscopy of M33
Published in 2005 by
R. D. Gehrz,
E. Polomski,
C. E. Woodward,
K. McQuinn,
M. Boyer,
R. M. Humphreys,
B. Brandl,
J. T. van Loon,
G. Fazio,
S. P. Willner,
P. Barmby,
M. Ashby,
M. Pahre,
G. Rieke,
K. Gordon 
and other authors.
and other authors.
