TY - JOUR T1 - On the massive stellar population of the super star cluster Westerlund 1 JO - ASTRON ASTROPHYS UR - http://eprints.whiterose.ac.uk/127513/ PY - 2005/05/01 AU - Clark JS AU - Negueruela I AU - Crowther PA AU - Goodwin SP ED - DO - DOI: 10.1051/0004-6361:20042413 VL - 434 IS - 3 SP - 949 EP - 969 Y2 - 2024/12/23 ER -