@article{24854,
      author       = "Stecker, F. W. and Smithsonian Inst. Astrophysical Obser.",
      title        = "The Production of Cosmic Gamma Rays in Cosmic - Ray
                      Collisions - V: Gamma - Ray Production from Cosmic Electron
                      - Positton Annihilation  ",
      year         = "1967",
      note         = "1 brož.",
}