A third red supergiant rich cluster in the Scutum-Crux armJ. S. Clark, I. Negueruela, B. Davies, V. M. Larionov, B. W. Ritchie, D. F. Figer, M. Messineo, P. A. Crowther and A. A. ArkharovA&A, 498 1 (2009) 109-114DOI: https://doi.org/10.1051/0004-6361/200911945
