CERN Accelerating science

@article{Johnson:1670955,
      author        = "Johnson, C D and Thorndahl, L",
      title         = "{Non-destructive proton beam profile scanners for the CERN
                       Proton Synchrotron, based on the ionization of residual gas
                       in the beam vacuum chambers}",
      year          = "1968",
      url           = "https://cds.cern.ch/record/1670955",
}