[
  {
    "title": "Various Versatile Variances: An Object-Oriented Implementation of Clustered Covariances in {R}",
    "author": [
      {
        "given": "Achim",
        "family": "Zeileis",
        "role": {},
        "email": "Achim.Zeileis@R-project.org",
        "comment": "0000-0003-0918-3766"
      },
      {
        "given": "Susanne",
        "family": "K\\\"oll",
        "role": {},
        "email": {},
        "comment": {}
      },
      {
        "given": "Nathaniel",
        "family": "Graham",
        "role": {},
        "email": "npgraham1@npgraham1.com",
        "comment": {}
      }
    ],
    "journal": "Journal of Statistical Software",
    "year": "2020",
    "volume": "95",
    "number": "1",
    "pages": "1--36",
    "doi": "10.18637/jss.v095.i01"
  },
  {
    "title": "Econometric Computing with {HC} and {HAC} Covariance Matrix Estimators",
    "author": [
      {
        "given": "Achim",
        "family": "Zeileis",
        "role": {},
        "email": "Achim.Zeileis@R-project.org",
        "comment": "0000-0003-0918-3766"
      }
    ],
    "journal": "Journal of Statistical Software",
    "year": "2004",
    "volume": "11",
    "number": "10",
    "pages": "1--17",
    "doi": "10.18637/jss.v011.i10"
  },
  {
    "title": "Object-Oriented Computation of Sandwich Estimators",
    "author": [
      {
        "given": "Achim",
        "family": "Zeileis",
        "role": {},
        "email": "Achim.Zeileis@R-project.org",
        "comment": "0000-0003-0918-3766"
      }
    ],
    "journal": "Journal of Statistical Software",
    "year": "2006",
    "volume": "16",
    "number": "9",
    "pages": "1--16",
    "doi": "10.18637/jss.v016.i09"
  }
]