{
  "barcode": {
    "new": "9 771507 562117 02",
    "old": "9 771507 562117"
  },
  "comments": {
    "new": "<b>ISSN</b>: 1507-5621",
    "old": "Extra numbers behind barcode: 02\n\n<b>ISSN</b>: 1507-5621"
  }
}