Levesque, E. M., Massey, P., Olsen, K. A. G., Plez, B.,
Josselin, E., Maeder, A., and Meynet, G. 2005, ``The Effective Temperature
Scale of Galactic Red Supergiants: Cool, But Not As Cool As We Thought",
ApJ, 628, 973-985
Note: the above paper was also presented at the 2005 Jan AAS meeting
in San Diego. A
press release connected with it can
be
found
here.