{
  "comments": {
    "new": "ISBN: 0-7845-4505-7"
  },
  "ring_codes": {
    "new": "R5AOP 1535207 D9R IFPI L241 27, 21 IFPI 41S6\nRSAOP 1535207 D11R IFPI L241 11",
    "old": "R5AOP  1535207 D9R 27 IFPI L241 IFPI 41S6\nRSAOP 1535207 D11R 11 IFPI L241"
  },
  "serial": {
    "new": "1535207"
  }
}