@Article{beachanddavidson1983,
  author       = "Charles M Beach and Russell Davidson",
  date         = "1983-02",
  journaltitle = "Review of Economic Studies",
  pages        = "723--735",
  title        = "Distribution-free statistical inference with Lorenz curves and income shares",
  volume       = "50",
}

@Article{beachandkaliski1986a,
  author       = "C M Beach and S F Kaliski",
  date         = "1986",
  journaltitle = "Appl. Statist.",
  pages        = "38--45",
  title        = "Lorenz curve inference with sample weights: an application to the distribution of unemployment experience",
  volume       = "35",
}

@Book{lambert1993,
  author       = "Peter J Lambert",
  location     = "Manchester",
  publisher    = "Manchester University Press",
  date         = "1993",
  edition      = "2",
  title        = "The distribution and redistribution of income. {A} mathematical analysis",
}