@article{articleb9b1de51,
title   = {A rich population of x-ray-emitting wolf-rayet stars in the galactic starburst cluster Westerlund 1},
author = {Skinner, S. L and Simmons, A. E and Zhekov, S. A and Teodoro, M and Damineli Neto, Augusto and Palla, F},
year = {2006},
journal   = {Astrophysical Journal}
}