@book{Barkas:789318,
      author        = "Barkas, Walter H and Rosenfeld, Arthur Hinton",
      title         = "{Data for Elementary Particle Physics, 1963}",
      publisher     = "Lawrence Berkeley Nat. Lab.",
      address       = "Berkeley, CA",
      year          = "1963",
      url           = "http://cds.cern.ch/record/789318",
      note          = "Unpublished, accompanied by two wallet cards",
}