BIB-518

[
  {
    "518": {
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      "ind2": " ",
      "subfields": [
        {
          "a": "Konferens, Stockholm maj, 2008"
        }
      ]
    }
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]

{
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[
  {
    "033": {
      "ind1": "0",
      "ind2": " ",
      "subfields": [
        {
          "a": "198407--"
        },
        {
          "b": "5754"
        },
        {
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        }
      ]
    }
  },
  {
    "518": {
      "ind1": " ",
      "ind2": " ",
      "subfields": [
        {
          "a": "Recorded July 1984, London."
        }
      ]
    }
  }
]

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          "marc:geographicClassificationSubareaCode": [
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          "marc:typeOfDate": "marc:SingleDate"
        },
        {
          "@type": "Capture",
          "label": "Recorded July 1984, London."
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      ]
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}