Berg, HowardKleppner, Daniel2009-07-201962Berg, Howard C., and Daniel Kleppner. 1962. Storage technique for atomic hydrogen. Review of Scientific Instruments 33(2): 248-249.0034-6748http://nrs.harvard.edu/urn-3:HUL.InstRepos:3196302en-USJournal Article10.1063/1.1746584