{
  "barcode": {
    "new": "6 25904 32420 7, 6 25904 32450 4",
    "old": "6 25904 32450 4"
  },
  "comments": {
    "new": "Volume Label: Arthknib1\n\nISBN: 1-55345-154-6",
    "old": "ISBN: 1-55345-154-6"
  },
  "ring_codes": {
    "new": "DUPLIUM\t10-65062- LJ21 IFPI V512",
    "old": "DUPLIUM\t10-65062-LJ21 IFPI V512"
  }
}