[
  {
    "title": "Nonparametric Econometrics: The np Package",
    "author": [
      {
        "given": "Tristen",
        "family": "Hayfield",
        "role": {},
        "email": {},
        "comment": {}
      },
      {
        "given": ["Jeffrey", "S."],
        "family": "Racine",
        "role": {},
        "email": {},
        "comment": {}
      }
    ],
    "journal": "Journal of Statistical Software",
    "year": "2008",
    "volume": "27",
    "number": "5",
    "url": "https://www.jstatsoft.org/index.php/jss/article/view/v027i05",
    "doi": "10.18637/jss.v027.i05",
    "pages": "1-32"
  }
]