@article{askaryan,
      author         = "Askar'yan, G. A.",
      title          = "{Excess negative charge of an electron-photon shower and
                        its coherent radio emission}",
      journal        = "Sov. Phys. JETP",
      volume         = "14",
      year           = "1962",
      number         = "2",
      pages          = "441-443",
      note           = "[Zh. Eksp. Teor. Fiz.41,616(1961)]",
      SLACcitation   = "%%CITATION = SPHJA,14,441;%%"
}