@article{Helder:2011wE,
  author = "Helder, Eveline  and  Vink, Jacco",
  title = "{Cosmic-ray acceleration efficiency of the supernova remnants RCW 86 and SNR 0509-67.5}",
  doi = "10.22323/1.123.0142",
  journal = "PoS",
  year = 2011,
  volume = "Texas 2010",
  pages = "142"
}