{
  "comments": {
    "new": "ISBN: 0-87321-196-0"
  },
  "ring_codes": {
    "new": "1000004101US R1J IFPI L239 13 IFPI 4111",
    "old": "1000004101US R1J IFPI L239"
  },
  "serial": {
    "new": "1000004.101.US"
  }
}