Viernes 12 de Febrero de 2010 12:55 |
Ritchie, B. W.; Clark, J. S.; Negueruela, I.; Crowther, P. A. A VLT/FLAMES survey for massive binaries in Westerlund 1. I. First observations of luminous evolved stars Astronomy and Astrophysics vol. 507, pag. 1585
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