TY - JOUR T1 - A census of the Wolf-Rayet content in Westerlund 1 from near-infrared imaging and spectroscopy JO - MON NOT R ASTRON SOC PY - 2006/11/01 AU - Crowther PA AU - Hadfield LJ AU - Clark JS AU - Negueruela I AU - Vacca WD ED - DO - DOI: 10.1111/j.1365-2966.2006.10952.x VL - 372 IS - 3 SP - 1407 EP - 1424 Y2 - 2024/12/22 ER -