A VLT/FLAMES survey for massive binaries in Westerlund 1 - V. The X-ray selected blue stragglers Wd1-27 and -30aJ. S. Clark, F. Najarro, I. Negueruela, B. W. Ritchie, C. González-Fernández and M. E. LohrA&A, 623 (2019) A83DOI: https://doi.org/10.1051/0004-6361/201834245
