@article{birkedal-hansen_nelson_2001, 
  title={Role ofW-ino content in neutralino dark matter}, 
  volume={64}, 
  DOI={10.1103/physrevd.64.015008}, 
  publisher={American Physical Society (APS)}, 
  author={Birkedal-Hansen and Nelson}, 
  year={2001}, 
  month={Jun}
  }