@article{SurlanHamannAretetal.2013,
  author    = {B. Surlan and Wolf-Rainer Hamann and A. Aret and Jiř{\´i} Kubat and Lida Oskinova and A. F. Torres},
  title     = {Macroclumping as solution of the discrepancy between Ha and P v mass loss diagnostics for O-type stars},
  journal   = {ASTRONOMY \& ASTROPHYSICS},
  volume    = {559},
  doi       = {10.1051/0004-6361/201322390},
  year      = {2013},
}