@article{article, title  = {{A VLT/FLAMES survey for massive binaries in Westerlund 1 I. First observations of luminous evolved stars}},

 url = {{}},

 year = {{2009}},

 month = {{12}},

 author = {{Ritchie BW and Clark JS and Negueruela I and Crowther PA}},

 doi = {{10.1051/0004-6361/200912686}},

 volume = {{507}},

 journal = {{ASTRON ASTROPHYS}},

 issue = {{3}},

 pages = {{1585-1595}},

 note = {{Accessed on 2024/12/22}}}