{
  "comments": {
    "new": "Volume Label: MEEN_0_29\n\nISBN: 0-671-89817-5",
    "old": "ISBN: 0-671-89817-5"
  },
  "ring_codes": {
    "new": "2017-1-1\tHMG\t*I.M. MEEN 0.29 VERSION* IFPI L451 ifpi 17701\n1905-1-1 HMG\t*I.M. MEEN 0.29 VERSION* IFPI L451",
    "old": "2017-1-1\tHMG\t*I.M. MEEN 0.29 VERSION* IFPI L451 ifpi 17701"
  },
  "version": {
    "new": "0.29"
  }
}