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    "abstract": "This article provides a (semi-)popular introduction to the phenomenology of\nneutrino masses.",
    "arxiv_id": "physics/0006024",
    "authors": [
      "H. V. Klapdor-Kleingrothaus",
      "H. P\u00e4s"
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      "astro-ph",
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      "hep-ph",
      "nucl-ex",
      "nucl-th"
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    "journal_ref": "Comments Nucl.Part.Phys. 2 (2001) 69-87",
    "title": "The quest for the neutrino mass spectrum",
    "url": "https://arxiv.org/abs/physics/0006024"
  },
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