@article{kruskal_ahlen_tarlé_2016, 
  title={SECONDARY PRODUCTION AS THE ORIGIN OF THE COSMIC-RAY POSITRON EXCESS}, 
  volume={818}, 
  DOI={10.3847/0004-637x/818/1/70}, 
  publisher={American Astronomical Society}, 
  author={Kruskal and Ahlen and Tarlé}, 
  year={2016}, 
  month={Feb}
  }