[
  {
    "title": "FMP: IRT estimation via filtered polynomial models.",
    "author": [
      {
        "given": ["Niels", "G."],
        "family": "Waller",
        "role": {},
        "email": {},
        "comment": {}
      }
    ],
    "year": "2016",
    "note": "version 1.4"
  }
]