@misc{indiciae76ff6742fff0,
  title = {Stringent constraint on galactic positron production.},
  author = {John F Beacom and Hasan Yüksel},
  year = {2006},
  doi = {10.1103/physrevlett.97.071102},
  url = {https://pubmed.ncbi.nlm.nih.gov/17026218/},
  note = {Source identifier: 17026218}
}