{
  "comments": {
    "new": "ISBN: 1-55345-613-0"
  },
  "ring_codes": {
    "new": "DUPLIUM\t10-79910-LJ21 IFPI V505",
    "old": "DUPLIUM 10-79910-LJ21"
  },
  "serial": {
    "new": "PC0427CD"
  }
}