@article{RossloweCrowtherClarketal.2015,
  author    = {C. K. Rosslowe and P. A. Crowther and J. S. Clark and I. Negueruela},
  title     = {Physical properties of the WR stars in Westerlund 1},
  journal   = {Wolf-Rayet Stars : Proceedings of an International Workshop held in Potsdam, Germany, 1.-5. June 2015},
  pages     = {105 -- 108},
  year      = {2015},
}