{
  "comments": {
    "new": "ISBN: 0-7845-4002-0"
  },
  "ring_codes": {
    "new": "1518817 F762702\n1518817\tsonopress\t+ +\tFI08103 IFPI LB48 A01 IFPI 10H6",
    "old": "1518817 F762702\n1518817 SONOPRESS + + FI08103"
  },
  "serial": {
    "new": "1518817"
  }
}