{
  "ring_codes": {
    "new": "BLJM-60218\t2 IFPI L279 09, 09\n453F, 453K",
    "old": "BLJM-60218\t2 IFPI L279 09\nIFPI 453K"
  },
  "serial": {
    "new": "BLAS 50220, BLJM 60218",
    "old": "BLAS 50220"
  }
}